Biology
Bird Brawlers Love Spectators—Other Avian Species Are Welcome at Ringside
Tufted titmice scuffle more vigorously in front of a crowd—even if some of the onlookers are woodpeckers
Stories by Rachel Nuwer
Evolution
The Asteroid That Killed the Dinosaurs Created the Amazon Rain Forest
Fossilized pollen and leaves reveal that the meteorite that caused the extinction of nonavian dinosaurs also reshaped South America’s plant communities to yield the planet’s largest rain forest...
Conservation
Vaccine Could Save Critical Tiger Population
Canine distemper threatens a key group of Amur tigers, but an unconventional vaccination program could help
Cognition
Baby Talk and Lemur Chatter—but Not Birdsong—Help an Infant’s Brain Develop
Researchers probe the outer boundaries of what types of sounds human infants tune in to for building cognition
Biology
An Octopus Could Be the Next Model Organism
Big-brained cephalopods could shine light on the evolution and neurobiology of intelligence, complexity, and more—and inspire medical and technological breakthroughs
Behavior
People Literally Don’t Know When to Shut Up—or Keep Talking—Science Confirms
We are really bad at navigating a key transition point during one of the most basic social interactions
Engineering
Spider Legs Build Webs without the Brain’s Help
Researchers decode spiders’ web-building behavior for application in future robots
Public Health
Pathogen Discovered That Kills Endangered Chimps: Is It a Threat to Humans?
An Ebola outbreak and a few false leads slowed a 15-year search for bacteria that attack the nerves and gut
Culture
The World’s Oldest Animal Paintings Are on This Cave Wall
Depictions of pigs found in Indonesia date back at least 45,500 years
Evolution
Dog Domestication May Have Begun because Paleo Humans Couldn’t Stomach the Original Paleo Diet
Unable to digest large amounts of protein, hunters likely left scraps that could have led to the taming of wolves
Environment
Chernobyl ‘Exclusion Zone’ Radiation Doses Reanalyzed
Evidence builds that animals are scarcer in more heavily contaminated areas
Cognition
Young Ravens Rival Adult Chimps in a Big Test of General Intelligence
At just four months of age, the birds performed equally well as great apes on understanding numbers, following cues and many more tasks
Conservation
Rain Forest Canopy Bridges Aid Slow Lorises, Gibbons and Other Threatened Species
The world’s most endangered primate is only the latest example of an arboreal animal benefiting from this simple yet effective conservation solution
Behavior
Presidential Debates Have Shockingly Little Effect on Election Outcomes
The upcoming debate between Joe Biden and Donald Trump may be one of the least consequential in decades, experts say
Biology
Old Seaweed Reveals Secret of Monterey Sardine History
Decades-old specimens solve a long-standing mystery
Conservation
Online Reptile Trade Is a Free-for-All That Threatens Thousands of Species
More than one third of all reptile species, including highly endangered ones, are sold internationally, primarily as pets
Biology
Fish Eggs Survive Journey through a Duck
New research suggests one way fish might spread to distant waters
Behavior
Why Trump-Favoring Voters Ignored a Deadly Hurricane Warning
Rush Limbaugh and other conservative pundits’ “hurricane skepticism” in 2017 may have influenced individuals’ decision to pack up the car or shelter in place
Biotech
Experimental Blood Test Detects Cancer up to Four Years before Symptoms Appear
The assay looks for stomach, esophageal, colorectal, lung and liver malignancies
Behavior
Americans Increase LSD Use—and a Bleak Outlook for the World May Be to Blame
Millennials and older adults lead the surge while Gen Z stays on the sidelines
