Humans
- Psychology
Worlds of self-esteem
The way you feel about yourself can affect what other people think of you.
- Health & Medicine
Spitting Up Blobs to Get Around
A nasty parasite finds a new host by making a fly cough up a blob of gel.
- Animals
An inspiring home for apes
A group of scientists wants to establish preserves where orangutans and other primates have the chance to learn and create.
- Humans
Words of the distant past
Human ancestors may have been able to talk as far back as 350,000 years ago.
- Animals
Hot tail gives warning
Ground squirrels can heat up their tails to signal and perhaps taunt rattlesnakes.
- Psychology
Roller coaster thrills
Riding roller coasters is about the need that some people have to seek thrills and take risks.
- Humans
Traces of Ancient Campfires
Researchers have unearthed traces of what may be among the oldest human-controlled fires.
- Health & Medicine
Workouts: Does Stretching Help?
Stretching before exercise or sports may not improve performance or reduce the chance of injury.
- Humans
Hints of Life in Ancient Lava
Ancient lava may contain some of the earliest traces of life on Earth.
- Animals
Male baboons get mellow
Females may get male baboons to tone down violent behavior and become more cooperative.
- Humans
The taming of the cat
People had pet cats at least 9,500 years ago, long before ancient Egyptians started worshipping felines.
- Animals
Snagging insects, hummingbird style
A hummingbird has an unexpectedly flexible lower bill to help it catch bugs.
