
These Researchers Put Sperm Through a Kind of ‘Hunger Games’
The research focused on figuring out what enables certain sperm to gain some competitive advantage over millions of others fighting for the same prize.

These Researchers Put Sperm Through a Kind of ‘Hunger Games’
The research focused on figuring out what enables certain sperm to gain some competitive advantage over millions of others fighting for the same prize.

The Vaginal Microbiome May Affect Health More than We Thought
A recent study finds varying combinations of microbes in the vaginal microbiome may influence health outcomes such as risk of sexually transmitted disease and preterm birth


What’s Causing Mysterious Respiratory Illness in Dogs?
Veterinarians and researchers are investigating mysterious clusters of severe respiratory disease in dogs

Robots Made from Human Cells Can Move on Their Own and Heal Wounds
Researchers have created “anthrobots” out of human lung cells that are capable of moving independently and even healing damaged tissue

These Male Stick Insects Aren’t ‘Errors’ After All
Some female stick insects can reproduce without males—but they have a secret

The Oldest Deep-Sea Fish Discovered in Fossil Traces
Ancient fish followed prey into the crushing pressures of the deep ocean

5 of the Greatest Natural History Hoaxes of All Time
These historical forgeries show what makes misinformation so successful

Nesting Penguins Take More Than 10,000 Mini Naps Every Day
Chinstrap Penguins take more than 10,000 seconds-long naps during the day to remain vigilant while incubating their eggs

This Bat Uses Its Oversized Penis as an ‘Arm’ during Sex
Dozens of mating bats caught on video at a Dutch church reveal an unusual use for their "huge" penises

Wildfire Brought Wolves Back to Southern California after 150 Years
Wolves and other animals seeking easy meals and ideal habitat can flock into areas burned by wildfire

Do Squirrels Remember Where They Buried Their Nuts?
Squirrels spread their fall bounty across several locations. But do they have a key to this treasure map?

Cranberries Are a Scientific Delicacy
From self-pollination to bogs, cranberries are a Thanksgiving classic with many fascinating botanical and genetic features