::[HAJ SVØMMEDE HALVVEJS RUNDT OM JORDEN PÅ 600 DAGE]:
Tagged mako shark takes amazing 13,000 mile journeyA male mako shark named Hell's Bay has broken a record, traveling more than 13,000 miles, equal to over half-way around the planet, in 600 days. It is the longest track ever in the Atlantic Ocean by a mako shark tagged by researchers in Nova Southeastern University's (NSU) Guy Harvey Research Institute (GHRI)
::[HVORFOR HELER SÅR HURTIGERE HOS HAJER – OG HAR HAJER HØJERE RESISTENS MOD KRÆFT?]: Sharks show novel changes in their immune cancer-related genesA new genomics study of shark DNA show modifications in their immunity genes that may underlie the rapid wound healing and possibly higher resistance to cancers in these ocean predators. This research brings us a few steps closer to understanding, from a genetic sense, why sharks exhibit some characteristics that are highly desirable
::[KLIMAÆNDRING RAMMER TROPISKE BJERGOMRÅDER]:
Climate models may underestimate future warming on tropical mountainsBy reconstructing past temperature change on Mount Kenya in East Africa, a new study suggests that future temperature changes on tropical mountains might be underestimated.
::[KRÆFT: VIRKSOM NY IMMUNTERAPI MED PEMBROLIZUMAB]:
Immunotherapy, pembrolizumab, is active against mucosal melanoma tumorsClinical trials of a new immunotherapy, pembrolizumab, have shown that it prolongs life significantly for patients with bladder cancer and is active against a rare sub-type of melanoma, called mucosal melanoma.
::[LUNGETRANSPLANTATION EFTER AT HAVE LEVET EN UGE UDEN SINE INFICEREDE LUNGER]:
Living without lungs for six day saves a mom's lifeIn a bold and very challenging move, thoracic surgeons removed severely infected lungs from a dying mom, keeping her alive without them for six days, so that she could recover enough to receive a life-saving lung transplant. This is believed to be the first such procedure in the world.
::[NASA SKAL STUDERE NITROGENOXIDER VED NORDPOLEN]:
NASA sounding rocket successfully launches into alaskan nightAn experiment to measure nitric oxide in the polar sky was successfully launched on a NASA sounding rocket at 8:45 a.m. EST, Jan. 27, 2017, from the Poker Flat Research Range in Alaska.
::[SKLEROSE: ALS OG TARMBAKTERIER]:
Rebalancing gut microbiome lengthens survival in mouse model of ALSA bacterial by-product known to be important in maintaining gut health may slow the progression of amyotrophic lateral sclerosis ( ALS )
::[SOLFILTRE MED STOFFER FRA ALGER OG CYANOBAKTERIER]:
Boosting the solar protection factor with rationally designed, nature-inspired sunscreensThe ideal sunscreen should block UVB and UVA radiation while being safe and stable. In the journal Angewandte Chemie, Spanish scientists have introduced a new family of UVA and UVB filters based on natural sunscreen substances found in algae and cyanobacteria. They are highly stable and enhance the effectivity of commercial sunscreens.
Net Neutrality Foe to Head the FCCUnder new chair Ajit Pai the agency would likely to reverse its Open Internet Order—a regulation expected to become less relevant as the Net continues to evolve
What Happens If Net Neutrality Goes Away?We'll likely see new business models and video streaming products from the big ISPs if Trump removes net neutrality rules, and upstart content providers could struggle to compete.
:[ALGEDYRKNING TIL BIOBRÆNDSEL OG ANDRE PRODUKTER]:
A better way to farm algaeScientists have long known of the potential of microalgae to aid in the production of biofuels and other valuable chemicals. However, the difficulty and significant cost of growing microalgae have in some ways stalled further development of this promising technology. Bendy Estime, a biomedical and chemical engineering Ph.D. candidate, has devoted his research to this area, and developed a new tech
:[ANTIBIOTIKARESISTENS-FORSKNING OG DIAGNOSE AF PATOGENER]:
Researchers on fast track to combat antibiotic resistanceThe marriage of two innovative technologies—one developed by Northeastern's Slava Epstein, the other by the Broad Institute's Paul Blainey—could accelerate both the discovery of new antibiotics that kill pathogens without encountering resistance and the diagnosis of specific pathogens causing disease, enabling fast, targeted treatments.
Supercomputers model key details of greenhouse gases and molecules relevant to automobile combustionSupercomputers can calculate how a molecule's atoms move, giving insights for astrophysics, fuel use, and more. To determine a molecule's rotational and vibrational energies, chemists collect data about the positions of its atoms in space. The data is a table of numbers. Without a more clever approach to calculating the positions, the largest supercomputers are overwhelmed by six-atom molecules, f
:[BEHANDLING AF KOL]:
DSAM har opdateret klinisk vejledning for KOLNy klinisk vejledning for behandling af KOL i almen praksis adskiller sig i enkelte detaljer fra vejledning fra RADS.
Automatiske brandalarmer fulde af fejlTo ud af tre automatiske brandalarmeringssystemer har fejl. Travlhed og øget kompleksitet i byggeriet får skylden.
:[CICLIDE-FISK SNYDER FOR AT FÅ EN MAGE]:
Fish show cheating can be better than playing by the rules in the mating gameThe males of some species go to extraordinary lengths to attract females – but some simply cheat. Take African cichlid fish. Many males build underwater "sandcastle" structures that the females use to judge the quality of their potential mates. But, as my colleagues and I found out during a recent study, some males don't bother with this show of construction prowess, and instead are able to father
:[CO2-AFGIFT OG ELON MUSK OG DONALD TRUMP]:
Why Elon Musk Wants Trump to Charge a Carbon Tax Elon Musk's growing relationship with President Trump can result in revolutionizing the country's aging infrastructure.
Harddiskfejl og manglede backup førte til 17 års tabt læringsmateriale En fejl gjorde, at usunde diske blev spejlet. I kombination med en it-fejl i en harddisk var det fatalt.
Modifying the 'middle end' of a popular compiler yields more-efficient parallel programsCompilers are programs that convert computer code written in high-level languages intelligible to humans into low-level instructions executable by machines.
:[CONNECTOMER I HJERNER]:
Structural Connectome Validation Using Pairwise ClassificationIn this work, we study the extent to which structural connectomes and topological derivative measures are unique to individual changes within human brains. To do so, we classify structural connectome pairs from two large longitudinal datasets as either belonging to the same individual or not. Our data is comprised of 227 individuals from the Alzheimer's Disease Neuroimaging Initiative (ADNI) …
:[CRISPR-GENTEKNOLOGI OG ARVELIGE SYGDOMME]:
Genome editing in clinical genetics: Points to considerGenome editing, including CRISPR/Cas9, is a new and notable technology that enables geneticists and researchers to edit parts of the human genome. The American College of Medical Genetics and Genomics recognizes that genome editing offers great promise for the future treatment of individuals and families with genetic disorders, but also raises major technological and ethical issues
:[DATAREGLER HÆMMENDE FOR IVÆRKSÆTTERFIRMAER]:
Iværksætter kritiserer nye strikse dataregler: Det er gift for startupsMindre virksomheder og iværksætterne kan komme i klemme på grund af bureaukrati og øgede omkostninger
:[DØDE DYR PÅ MUSEUM]:
Animal Electrocuted at Atom Smasher Gets New 'Life' in Morbid ExhibitDead animals in a museum exhibit share cautionary tales of times when wildlife interactions with humans turned lethal — for the wildlife.
:[DRIVHUSGASSER ER IKKE KUN CO2]:
Carbon dioxide isn't the only GHG that matters; gases vary widely in potency and durationWhen hearing the words "greenhouse gas," most people think immediately of carbon dioxide. This is indeed the greenhouse gas that is currently producing the greatest impact on the Earth's rapidly changing climate. But it is far from the only one making its mark, and for mitigating climate change it's important to be able to compare the effects of the various gases that contribute to warming the pla
:[DRONE SKAL ADVARE MOD KÆMPEBØLGER VED JAPAN]:
Aquatic Robot Braves Volcanoes and Typhoons to Detect TsunamisA drone will circle the world's newest volcanic island, near Japan, to warn of devastating waves
A commuter's dream: Entrepreneurs race to develop flying carEven before George Jetson entranced kids with his cartoon flying car, people dreamed of soaring above traffic congestion. Inventors and entrepreneurs have long tried and failed to make the dream a reality, but that may be changing.
:[GALAKSER MED LYSENDE BLAZAR-KERNER]:
Radio weak blazarsA blazar is a galaxy whose central nucleus is bright at wavelengths from the low energy radio band to high energy gamma rays (each gamma ray photon is over a hundred million times more energetic than the X-rays seen by the Chandra X-ray Observatory). Astronomers think that the blazar nucleus contains a supermassive black hole, similar to a quasar nucleus.
:[GIBRALTAR FOR 9 MILLIONER ÅR SIDEN]:
Andalusian scientists reconstruct what the Gibraltar Arc was like 9 million years agoA team of Andalusian scientists led by the University of Granada (UGR) has been able to reconstruct for the first time what the Gibraltar Arc was like 9 million years ago. It's one of the narrowest landforms on Earth.
:[GREGOR MENDELS LIV]:
New translation opens a window into the world of the 'father of genetics'For decades the "father of genetics" Gregor Mendel has been portrayed as living an isolated, monk-like existence, cut off from society.
Hotelgæster låst inde: Hackede låsesystem på luksus ski-hotel i Østrig for ransom Ifølge direktøren på et luksuriøst firstjernet hotel i Østrig bliver hotellerne ramt oftere og oftere af hackere.
:[HACKERANGREB TRUER HVER TREDIE AF STATENS IT-SYSTEMER]:
Finansministeriet: Hver tredje statslige it-system risikerer nedbrud og hackerangrebMinisteren for offentlig innovation stiller sig nu i spidsen for at rydde op i statens it-systemer. Både de mange systemer, som ikke er blevet vedligeholdt eller udbudt og de store offentlige it-projekter, som nu skal sikkert i havn, lyder det fra Finansministeriet.
:[HASH OG ELFORBRUG]:
Lovlig cannabis presser Californiens elnetLegalisering af cannabis til privat brug i Californien kan ifølge studier fra andre stater øge presset på elnettet. En forsyningskommission undersøger derfor, om overskydende vedvarende energi kan afbøde presset.
:[HJERNENS EVNE TIL AT SE BORT FRA DISTRAKTIONER]:
Celebrity name-face test uncovers how we outwit distractions We are constantly bombarded with distractions. For a long time, scientists thought that maintaining focus required a cascade of mental events—the distraction, the realization we're distracted, and a conscious effort to refocus. But our brains actually have a clever mechanism for outwitting distractions. With repeated practice, environmental cues can trigger the brain to jump directly into a more
:[HJERNENS HÅNDTERING AF SANDSYNLIGHEDER]:
A Radically New Theory of how the Brain Represents and Computes with Probabilities
It is widely acknowledged that the brain i) implements probabilistic reasoning, and ii) represents information via population/distributed coding. Previous population-based probabilistic (PPC) theories share some basic properties: 1) continuous neurons; 2) all neurons formally participate in every code; 3) decoding requires either graded synapses or rate coding; 4) generally assume rate-coded signa
:[HOLOGRAFI MED FORBEDRET BILLEDKVALITET]:
A new approach to 3-D holographic displays greatly improves the image quality
With the addition of holographic diffusers or frosted glasses to wavefront modulators, researchers offer a simple and practical solution to significantly enhance the performance of 3D dynamic holographic displays by 2,600 times.
:[HOMEOPATI – diskussion om pseudovidenskab]:
Corrigendum. The Week in SBM for 01.29.2017
FDA confirms elevated levels of belladonna in certain homeopathics
:[HUDKRÆFT PÅ GRUND AF ÆNDRING AF HUDENS PROTEINSYNTESE]:
How protein production gets distorted in skin cancer
Researchers have shown that a shift in translation, the process by which cells produce proteins from RNA, may promote skin cancer. The discovery could potentially aid the development of new treatments.
:[HUDKRÆT: FALD I DØDFALD PÅ GRUND AF MELANOM I FREMTIDEN]:
Experts predict melanoma death rates will fall by 2050
By 2050 the death rates from malignant melanoma will have decreased from their current levels but the numbers of people dying from the disease will have increased due to the aging of populations. However, if new treatments for the deadly skin cancer prove to be effective, the numbers of deaths could fall too, according to research.
:[HUMLEBI-ART Bombus affinis TRUET I USA]:
Researcher says endangered bumblebee populations will rise again
The rusty patched bumblebee, Bombus affinis, recently became the first U.S. bumblebee species to be placed on the endangered species list, but a Kansas State University entomologist says bumblebee endangerment is nothing to be bugged about.
:[IDEEN OM AT BLIVE AFGIFTET]:
"Detox": Ritual purification masquerading as medicine and wellness
"You need to detox." How many times have you heard or read this? Maybe a friend of yours suggested it. Maybe you saw it on a website, in a magazine, or as part of an ad. I like to say sometimes, " Toujours les toxine s," because in many branches of alternative medicine the overarching idea behind the interventions used is that vague, unnamed "toxins" are somehow poisoning you and that the only wa
:[INVASIVE ARTER I NORDATLANTEN]:
44 invading species 'loose' in North Atlantic, study shows
Accidental introductions of non-native species has been of increasing concern since the 1980s when human-mediated transportation, mainly related to ships' ballast water, was recognised as a major route by which species are transported and spread.
We should have no beef with bureaucracy if it keeps food safe
Free trade is on the agenda, but the unwelcome return of BSE is a reminder that it mustn't compromise food safety
:[KORALREV VED AMAZONFLODENS UDLØB]:
Nyopdaget rev trives i Amazonflodens mudrede udløb
Opdagelsen af det 4.000 gamle rev blev annonceret sidste år – nu trues det af olieudvinding.
:[KULFYRET VÆRK LUKKER]:
The West's Largest Coal Plant May Close
The West's largest coal-fired power plant may close — a symbolic blow to coal as America's chief source of electricity.
:[LASERSYSTEM MED PULSER I MILLIARDDELE AF ET SEKUND]:
Video: Femtosecond laser system
This femtosecond laser system, residing at the Molecular Photonics Laboratories at UNSW, fires laser pulses in femtoseconds—billionths of a second.
Scientists collaborate to increase the accuracy of optical radar
Scientists of Institute of Physics, Nanotechnology and Telecommunications of Peter the Great St. Petersburg Polytechnic University (SPbPU) and collaborators have established an international consortium to increase the accuracy of optical radar.
:[PARKINSON OG HJERNENS STRIATUM – DENS ACCELERATOR OG DENS BREMSE SKAL STYRES]:
Both accelerator and brake are required for normal movement
In order to drive a car, you need a good balance between accelerator and brake. The same applies to a part of the brain — the striatum – that controls our movements. Research has led to new findings on the interaction between the "accelerator" and the "brake" in the striatum. These findings may guide the development of treatments for movement disorders such as those occurring in Parkinson's disea
:[SATELLIT SKAL SØGE EFTER HYDROGEN I MÅNEKRATER]:
LunaH-map cubeSat to map the moon's water deposits
Arizona State University (ASU) is developing a small satellite that will search hydrogen in lunar craters with the ultimate goal of creating the most detailed map of the moon's water deposits. The spacecraft, named Lunar Polar Hydrogen Mapper (LunaH-Map), is expected to shed new light on the depth and distribution of water ice on the moon.
:[SELVSTYRENDE BILER FÅR HJÆLP]:
With or without a driver, vehicles are able to cooperate
EPFL researchers have developed an algorithm for automated vehicles to operate in traffic alongside manually-driven vehicles. This is a key step in the shift towards autonomous driving expected to be achieved by 2030.
:[SMART GUNS I USA]:
Do Americans want to buy 'smart' guns?
Recently legislators and special interest groups have pushed for greater availability of "smart" guns as a safety and crime-reduction tool. Then-President Barack Obama called for more research into "smart" gun technology in January 2016, and that April issued a memorandum calling for government-led research into smart guns as well as potential use by some federal agencies.
:[SMARTPHONES OG GOOGLE-PLATFORMEN TANGO]:
Googles augmented reality har fået fornemmelse for rummet
De første smartphone-producenter er ved at være klar til at understøtte Googles nye mixed reality-platform Tango.
:[STØR-FISK FÅR STØTTE TIL AT GYDE]:
Searching for young lake sturgeon near Detroit-area spawning reefs
Construction crews recently deposited 25,000 tons of limestone blocks on the bottom of the Detroit River in the latest phase of a decade-plus effort to lure lake sturgeon to rock spawning reefs and help restore severely depleted populations of the once-common Great Lakes giants.
:[TRÆER I BYER]:
Where are the trees? Not Paris, new 'Green View Index' finds
Where are the trees? More important, where aren't the trees? A lab at the Massachusetts Institute of Technology is helping some of the world's cities answer both questions in an attempt to make them more pleasant places to live and work.
:[ULVE OG DERES PARASITTER]:
Researchers study wolf parasitesSince the year 2000, the Eurasian grey wolf, Canis lupus lupus, has spread across Germany. Scientists study whether the number and species of parasites change with an increasing wolf population.
:[VARMT OMRÅDE I ETHIOPIEN STUDERES MED HENBLIK PÅ AT LÆRE OM MULIGHEDERNE FOR LIV PÅ MARS]:
Gazing Into Danakil Depression's Mirror, and Seeing Mars Stare BackScientists are studying this area in a remote region of Ethiopia — one of the hottest places on Earth — to understand the possibilities of life on other planets and moons.
Her er de største forskningsnyheder fra 2016 Videnskabsjournalist Carl-Magnus Hake fra Dagens Medicin i Sverige kommer her med sit bud på de ti største forskningsnyheder i 2016.
:[VOLD HOS CHIMPANSER]:
Chimps beat up, murder and then cannibalise their former tyrantA gang of chimps overthrew their alpha male, ostracised him for years and then killed him when he returned
:[XENOFOBI I USA]:
Why the Trump Immigration Ban is Bad for the U.S. and Bad for the WorldA personal account of how much we stand to lose if we fall prey to the cowardly xenophobia that seems to be driving the Trump administration
:[XENOFOBI I USA]:
Scientists Find a Voice at Massive Rally for ImmigrantsStudents, doctors and researchers join a big protest in the academic hub of Boston
:[XENOFOBI I USA]:
Trump's Muslim Ban Isn't Just Inhumane—It'll Make America Dumber Scientific brilliance is about what's in your brain, not where you're from. Now Trump's ban on immigrants from seven countries is spurring a brain drain.
Tegn abonnement på
BioNyt Videnskabens Verden (www.bionyt.dk) er Danmarks ældste populærvidenskabelige tidsskrift for naturvidenskab. Det er det eneste blad af sin art i Danmark, som er helliget international forskning inden for livsvidenskaberne.
Bladet bringer aktuelle, spændende forskningsnyheder inden for biologi, medicin og andre naturvidenskabelige områder som f.eks. klimaændringer, nanoteknologi, partikelfysik, astronomi, seksualitet, biologiske våben, ecstasy, evolutionsbiologi, kloning, fedme, søvnforskning, muligheden for liv på mars, influenzaepidemier, livets opståen osv.
Artiklerne roses for at gøre vanskeligt stof forståeligt, uden at den videnskabelige holdbarhed tabes.