Biology
Songbirds That Learn to Make New Sounds Are the Best Problem-Solvers
Birds—and humans—are vocal learners, meaning they can imitate new vocalizations and use them to communicate
How an Orca Skeleton Made Its Way From Florida to the Smithsonian
Washed up in a rare stranding event, the newly collected specimen will offer rich exploration for researchers
Scientists Grow Part-Human Kidneys in Pig Embryos for Nearly a Month
The new work is a "big step forward" in finding new ways to generate viable organs for human transplants, but it comes with some ethical considerations
What Is This Mysterious Golden Orb Scientists Found on the Ocean Floor?
After bringing the four-inch-diameter blob to the surface, researchers still only know that it is “biological in origin”
'Rare' Clouded Leopard Kitten Born at the Oklahoma City Zoo
Keepers hope the young male will have his own "little cloudies" one day, helping maintain the vulnerable species' captive population
How Color-Changing Hogfish Use Their Skin to 'See' Themselves
Light-sensitive proteins in the fish's skin could play a role in monitoring how they camouflage, researchers theorize in a new study
How Two Great White Shark 'Buddies' Could Change Perceptions of the Species
A pair of great white sharks named Simon and Jekyll have been swimming together for more than 4,000 miles in recent months
Old Mice Could Live Longer by Sharing Young Blood, Study Finds
After surgically attaching pairs of mice, scientists suggest the procedure could rejuvenate the older individuals, slowing their aging
A Rare Two-Headed Snake Is Back on Exhibit at a Texas Zoo
Pancho and Lefty, as the western rat snake is known, has now healed from an injury it suffered more than two years ago
This Massive Extinct Whale May Be the Heaviest Animal That Ever Lived
The newly discovered behemoth could unseat the blue whale for the title, but scientists can only make educated guesses about its weight
How These Birds Can Spot Look-Alike 'Imposter' Eggs in Their Nests
Fork-tailed drongos can identify and reject egg forgeries, laid by African cuckoos, with nearly 94 percent accuracy, new research suggests
Scientists Reveal Why Asp Caterpillar Stings Are So Excruciatingly Painful
A toxin in the insect's venom, which can punch a hole in cell walls, could inspire new drug-delivery methods in humans
Pollination From Honeybees Could Make Plants Less Fit to Survive and Reproduce
Plants visited by honeybees rather than native bees may become more inbred, a new study suggests
Researchers Create Model Human Embryos Using Stem Cells
The teams hope to learn more about the first few weeks of human development and provide insights into treatments for infertility and diseases
Curly Hair Keeps the Head Coolest
A new study suggests our locks may have evolved to prevent our brain from overheating
Climate Change Is a Wake-Up Call for Hibernating Squirrels
As spring arrives sooner, female Arctic ground squirrels are emerging from their burrows earlier, according to a new study
Scientists Create 'Synthetic Embryos' From Monkey Cells
By studying lab-grown stem cells, scientists hope to shed light on miscarriages and birth defects
Octopuses May Have Vivid Nightmares, Video Suggests
Costello, a male Brazilian reef octopus, had "bizarre" defensive outbursts while sleeping in a lab
The Illuminating Science Behind Fireflies
A dedicated ornithologist with a passion for lightning bugs scours bogs and beaches to discover previously unknown species
Why Male California Sea Lions Are Getting Bigger
The “raccoons of the sea” have varied diets, allowing them to grow large to compete for mates
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