Biology
Can Killing One Species of Owl Help Save Another?
Biologists and conservationists are grappling with a controversial plan to kill 470,000 barred owls in the Pacific Northwest over the next 30 years
The Scientist Using Bugs to Help Solve Murders
At crime scenes around the world, the forensic entomologist Paola Magni is taking her field into uncharted waters
Scientists Uncover the Earliest Fossil Evidence of Photosynthesis
Ancient cyanobacteria contained structures for producing oxygen around 1.75 billion years ago, according to a new study
Sniffing Women's Tears May Reduce Aggression in Men, Study Finds
The findings, which may extend to all humans, suggest emotional tears might serve an evolutionary purpose
Seven Scientific Discoveries From 2023 That Could Lead to New Inventions
Biologists learned lots about animals and plants this year, and their findings could inspire better robots, medicine and environmental technologies
Saving the Apple's Ancient Ancestor in the Forests of Kazakhstan
Found in the Tian Shan mountains, <em>Malus sieversii</em> could hold the secret to making other species of the fruit more stress-resistant
Chimpanzees and Bonobos May Remember Faces for More Than 20 Years
The great apes, which are humans' closest living relatives, appeared to recognize photos of their former acquaintances in a study, even decades later
Like Dogs, Some Cats Will Play Fetch—but Mostly on Their Own Terms
Many felines appear to pick up the playful behavior spontaneously, without any explicit training, a survey of cat owners finds
Tiny 'Robots' Made From Human Cells Show Wound-Healing Potential
The so-called "anthrobots" can self-assemble and move on their own, and they prompted damaged neurons to regenerate in a recent study
This 'Extremely Rare' Bird Is Half Female, Half Male
The green honeycreeper is only the second of its species ever observed with this condition—and the first recorded in more than 100 years
Watch Cockatoos Dip Their Food in Water to Make It Soggy
A new study marks the first time that dunking behavior has been documented in parrots
Cats Prey on More Than 2,000 Different Species
A new study sheds light on just how many creatures domestic cats will eat—including hundreds that are threatened or endangered
Eels Can Genetically Modify Nearby Fish With Their Electrical Pulses
In laboratory experiments, gene transfer occurred in 5 percent of zebrafish larvae that were near eels when they discharged electricity
Rare White Alligator Born at Florida Wildlife Park
The baby gator, which doesn't have a name yet, was born with leucism, a condition that affects pigmentation
Here's What Can Cause Itchiness, According to New Research
Scientists discovered a connection between a bacteria linked to eczema and an itch-causing enzyme in a study of mice
See the First-Ever Photographs of a Rare Giant Rat That Lives Only on One Pacific Island
The elusive and critically endangered Vangunu giant rats are at least twice the size of common rats
African Penguins Tell Each Other Apart by Their Polka Dot Patterns
New research suggests the birds may find their mates in crowded colonies by looking at their chest plumage
A New Drug That Could Extend Dogs' Lives Inches Closer to Approval
For the first time, the FDA has indicated a willingness to endorse a longevity drug
This Bat Uses Its Extra Long Penis Like an Arm While Mating
Serotine bats are the first mammals known to mate without penetration, new research suggests
Metal Pollution May Be Making More Green Sea Turtles Female
In addition to warming temperatures, new research finds contaminants might contribute to the endangered reptiles' skewed sex ratios
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