::[ANTIBIOTIKA-RESISTENS OPSTÅEN I LANDBRUG – BRUG AF COLISTIN I DYREAVL I KINA]::Superbug Resistant to Last-Resort Antibiotic Arises in ChinaChina has been using colistin to speed growth of farm animals – and result in resistant superbug
::[BRILLER MED AUTOFOKUS]::Stil skarpt: Nu kommer brillen med autofokusGlem alt om glidende overgang – amerikanske forskere har udviklet en brille, som indeholder autofokus. Men helt elegant er den endnu ikke.
Tiny exports signal big shifts in cancer tissue, researchers findMicroscopic shifts in metabolism and increases in tiny transport vesicles out of tumor cells preface larger changes to the tumor environment and could prepare the way for cancerous cells to spread and metastasize, researchers report. Cancer-causing biological events at both the molecular and tissue scales could be seen as they happened, imaging the cells with precise wavelengths of light.
::[DINOSAURERNES UDDØEN]::Ville dinosaurerne have overlevet, hvis meteoritten havde ramt havet?En læser funderer over, om dinosaurerne havde reddet skindet, hvis meteoritten for millioner af år siden havde ramt havet.
::[DNA I RETSVIDENSKAB – SKAL SLÆGTNINGE ANALYSERES?]::
Family DNA Searches Seen as Crime-Solving Tool, and Intrusion on RightsAn unsolved Queens killing has led to calls for widening DNA searches to include relatives of possible suspects. But the method, a frontier in forensic science, has critics.
::[DNA I VAND]::
Can New DNA Science Help Keep Our Fish Safe? Scientists are experimenting with species' environmental DNA to find out how far and how fast fish travels in streams. The technology is starting to revolutionize how we protect native animals.
::[FODRING MED MAJS GØR HAMSTERE TIL KANNIBALER]::Corn turning French hamsters into deranged cannibals: researchA diet of corn is turning wild hamsters in northeastern France into deranged cannibals that devour their offspring, alarmed researchers have reported.
::[HJERNEKIRURGI]:: "Smart Needle," the Width of a Human Hair Set to Revolutionize Brain SurgeryThe computer it's attached to can "see" potential hazards and alert the surgeon to them.
::[KUNSTIG INTELLIGENS – OG ETIK]::Robotter har brug for etik – men hvilken?Der skal udvikles standarder for kunstig intelligens, så mennesker er beskyttet. Men hvordan giver man en robot et etisk kompas, og skal niveauet være højere end det, der gælder for mennesker? Forskerne forsøger at opstille regler.
::[KVIKSØLVFORURENING PÅ GRUND AF KLIMAOPVARMNING]::New mercury threat to oceans from climate changeRising temperatures could boost mercury levels in fish by up to seven times the current rates, say Swedish researchers.
::[MODSTAND MOD TRUMP – PÅ TWITTER]::It's Not Just The Park Service: 'Rogue' Federal Twitter Accounts MultiplyWhat started as one "unofficial resistance" Twitter account has grown to a list of more than 80 "rogue" accounts advocating for the science community and climate change research.
::[NANOPARTIKLER OG HÅRMÅLING KAN MÅSKE BRUGES TIL LÆGEMIDDELDOSERING]::Nanoparticles hitchhiking their way along strands of hairIn shampoo ads, hair always looks like a shiny, smooth surface. But for physicists peering into microscopes, the hair surface looks much more rugged, as it is made of saw-tooth, ratchet-like scales. In a new theoretical study scientists have demonstrated that massaging hair can help to apply drug treatment — encapsulated in nanoparticles trapped in the channels formed around individual hairs —
::[PARASITISK HVEPS]::Hveps overtager sin værts vilje og æder den indefraEn nyligt beskrevet parasitisk hveps har en livscyklus så makaber, at den har fået navn efter Set, den egyptiske gud for ondskab og kaos.
::[UNIVERSETS UDVIDELSE]::Universet udvider sig hurtigere end vi troedeNye målinger om universets udvidelse er svære at forklare. Svaret kan måske findes i fysik, der ikke eksisterer endnu.
:[ANTIBIOTIKA-UBÅD TIL MAVEN]:: This Tiny Submarine Cruises Inside A Stomach To Deliver Drugs Scientists have created an experimental device that putters around inside the stomach, neutralizing acid and then delivering antibiotics. The goal is to help the antibiotics work better.
:[ATOMVÅBEN-DOOMSDAY CLOCK]:: Why the Doomsday Clock Was Just Set Closest to Apocalypse in Over 50 Years The first week of Donald Trump's Presidency features a flurry of activity and a flurry of warnings, like the resetting of the Doomsday Clock.
:[ATOMVÅBEN-DOOMSDAY CLOCK]:: Ballondækket satte gang i vækst og velstandDa godstransporten flyttede til lastbiler i 1960'erne, fulgte nye muligheder. Nyt bogværk fortæller vejtransportens historie, der også handler om genstridige bønder og franske vejingeniører.
:[ATOMVÅBEN-DOOMSDAY CLOCK]: Doomsday Clock Closest To Midnight Since 1954 The Doomsday Clock has inched closer to and farther from nuclear Armageddon since the Manhattan Project in 1947. On Thursday, the clock moved closer to Midnight — the closest it has been since 1954.
:[AUKTION]:: Dansk auktions-iværksættere lader algoritme styre priserneDe tre stiftere bruger teknologi til at sænke priserne og give kunderne tryghed.
:[BØRN OG INDLÆRING]::Bliver børn bedre til matematik af at sjippe regnestykker og lege med lego?Forskere undersøger, hvad der skal til for at booste børns indlæring.
:[CYBERKRIG]::US no longer has geography as defense, ally in cybercombatThe United States has long relied on its borders and superior military might to protect against and deter foreign aggressors. But a lack of boundaries and any rulebook in cyberspace has increased the threat and leveled the playing field today.
:[EMAILPROTESTER MOD TRUMP]:: Apps Make Pestering Congress So Easy That It Can't Keep Up How are Americans expressing their anger and anxiety over the Trump administration? Email. Lots of email.
:[EVOLUTION OG POPULATIONSVÆKST AF NYE ARTER]::Rapid trait evolution crucial to species growthRapid evolution at the edges of a given species habitat may play a larger role in population expansions than previously suspected, according to the results of a new study.
:[FACEBOOKS MARK ZUCKERBERG FORSØGTE AT FJERNE LOKALE BEBOERE PÅ SIN HAWAII-Ø]::Mark Zuckerberg dropping lawsuits seeking to buy Hawaii land Facebook CEO Mark Zuckerberg said Friday that he was dropping lawsuits seeking to buy out Native Hawaiians who own small pieces of land within his sprawling estate on the island of Kauai, promising to work with the community on "a new approach."
:[FUGLES JALOUXI]::'Grimme' hanfugle er mere jaloux end 'smukke' hannerEn han fra arten af rødrygget alfesmutte passer bedre på hunnen, hvis han er 'grim', hvorimod de 'smukke' hanner oftere jager fremmede hunner.
:[HØNS – OG HØNENS ÅR I KINA]::Celebrate Year of the Rooster with the best chicken scienceFrom sperm-rejecting hens to Chickenosaurus legs Chickens or Gallus gallus domesticus are the most common birds living around us. In the name of the Year of the Chicken here we present some cool science about…
:[HUNDE DER DELER MAD MED ANDRE HUNDE]::Dogs share food with other dogs even in complex situationsDogs also share their food, albeit mainly with four-legged friends rather than strangers. A new study has now confirmed this prosocial behavior among canines. The more complex methodology of the study, however, showed that the experimental set-up has an impact on the dogs' behavior and that even the mere presence of another dog makes the animals more generous.
:[HUNDE OG MENNESKET]::Pets Can Build Community"You like dogs? I like dogs too!" But what does that lead to?
:[INVASIVE ARTER – GRASS CARP – GREAT LAKES]::Study says grass carp have invaded three of the Great LakesInvasive grass carp have reached three of the Great Lakes and pose a significant environmental risk there, but time remains to prevent them from getting out of hand,
:[IT OG FLYGTNINGE]:: Syrian IT expert extends web lifeline to fellow migrantsMigrants navigating a new language, unfamiliar cultural conventions and Germany's multitude of rules and regulations are finding help online in their adoptive country courtesy of one of their own.
:[JORDENS INDRE]:: Geological Explorers Discover a Passage to Earth's Dark Age Geochemical signals from deep inside Earth are beginning to shed light on the planet's first 50 million years, a formative period long viewed as inaccessible to science.
:[KLIMAÆNDRINGER I GAMLE KULTURER]::Ancient Indus civilization's adaptation to climate changeA new article explores how an ancient culture dealt with variable environments.
:[KLIMADISKUSSIONEN]::In America's Heartland, Discussing Climate Change Without Saying 'Climate Change'Even as conversations about the subject remain contentious, the environment is becoming a concern no one there can ignore.
:[KRYBDYR]::Paleo Profile: Mighty Traveler from Egg MountainThis ancient lizard reshapes the backstory of today's anoles and iguanas
:[LIGER-HYBRIDER]:: Nyfødt ligerunge øger antallet af ligere til omkring 30En liger er en krydsning mellem en løve og en tiger – og en meget sjælden begivenhed.
:[LYKKE OG HAPPINESS]::Matt Taibbi – Bread and Circus Spontaneous talk on surprise topics. Rolling Stone political journalist Matt Taibbi on the media and political circus of the 2016 campaign trail, the search for happiness, and where we go from here.
:[MAGNETISK POL-VENDING]::Are Earth's Magnetic Poles About to Flip?A geomagnetic reversal may have a severe impact on humans.
:[MATEMATIK]::Can the "Lesbian Rule" Fight Weaponized Math? Reviving the "Lesbian Rule" (which Aristotle wrote about, and was proverbial in Shakespeare's day) can help us handle a new kind of weaponized-math threat
:[MODSTAND MOD TRUMP – PÅ TWITTER]::US 'resistance' movement coalesces… on TwitterA social media "resistance" movement is taking shape against the Trump administration, inspired by the new president's efforts to control information.
:[NATURBESKYTTELSE I MAKEDONIEN]::
Macedonians send out SOS from Europe's oldest lakeA fishing boat glides across the shimmering surface of Europe's oldest lake, a haven of biodiversity and a UNESCO World Heritage Site—one that conservationists warn faces multiple development threats.
:[NORDISK KLIMAPOLITIK VÆKKER OPSIGT I UDLANDET]::
Nordic countries are bringing about an energy transition worth copying
What can we learn from the Nordic low-carbon energy transition given the new US leadership vacuum on climate change? A new study offers some important lessons.
:[OPRENSNING AF COMPUTER]::Weekend Project: It's Time to Clean Your Computer, Inside and Out Scrub down those keys, wipe the fingerprints off your screen, and delete all the files that have been clogging your tubes.
:[PLANTEAVLS OPRINDELSE]::Seeds offer clue to domesticated plants' larger sizeThe seeds of domesticated plants could offer clues as to why cultivated crops are larger than their wild cousins, a study suggests.
:[PORNOGRAFI]::Porn 'tube' sites threaten children and actors, critics sayA new documentary claims that pornography has got "uglier and nastier", with actors forced to shoot more hardcore films for less since the explosion of free-to-view internet sites like Youporn and Pornhub.
:[ROBOTTER TIL AT LEVERE VARER]::
New wave of robots set to deliver the goodsThe robots of the future will be coming soon, rolling along at a lumbering pace with those goods you just ordered.
:[RUMFART TIL MARS]::Put People on Mars by 2033—for the Good of the NationUS astronaut, and ex-director of NASA argue that the US must prioritize putting humans on Mars.
:[RUMFART-SIKKERHED]::Russia to check space flight engines over faulty partsRussia on Saturday said it had ordered a full check of engines used on its key Proton rocket after a cargo ship crashed last month due to engine disintegration and an inspection revealed factory violations.
:[RUMFART-ULYKKER]::Without Apollo 1, we may have never made it to the moonThree astronauts made the ultimate sacrifice, but they didn't die in vain In the end, the accident may have saved more lives than it took.
:[SANDHEDER OG LØGNE – GEORGE ORWELLS ROMAN "1984"]::Why Forgotten Details of George Orwell's "1984" Are Now Coming to Light Kellyanne Conway's recent appearance on NBC's Meet the Press, where she used the dystopian-sounding phrase "alternative facts," sounded eerily similar to George Orwell's 1984 concept of newspeak and doublethink .
:[SANDHEDER OG LØGNE]::Distortions of RealityPresident Trump this week repeated an assertion he made shortly after his election: that millions of ballots cast illegally by undocumented immigrants cost him the popular vote. If true, this would suggest the wholesale corruption of American democracy. Not to worry: As far as anyone knows, the president's assertion is akin to saying that millions of unicorns also voted illegally. –
:[SATELLITTER KAN SE TUNG REGN]::NASA sees development of Tropical Cyclone 3S along Western Australia's coastA NASA satellite provided a look at heavy rainfall occurring in a tropical low pressure system as it was consolidating and strengthening into what became Tropical Storm 3S in Southwest Indian Ocean.
:[SYNET HOS CIKLIDE-FISK]::A Humble Fish with A Colorful EdgeThe cichlid, a small fish, has one of the most incredible visual systems known–which allows it to adapt to differently colored environments.
:[UNIVERSET UDVIDER SIG]::The Expanse's Secret Weapon? Behold: physics!
:[VEGETARISME]::How to Be a Healthy VegetarianJoin House Call Doctor as she reviews crucial tips on how to be a healthy vegetarian and avoid any medical pitfalls.
:[VIDEO: BAKTERIER OG SVAMPE]::Life Is a Highway: Watch Bacteria Riding the Fungal Expressway [Video]And they ride it all night long –
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.