The ancient Maya enjoyed filling their teeth with gemstones. A new study reveals how the procedure was done and how it didn't kill them.
Turning off a gene called “Myc” has a surprising effect in male fruit flies: They start courting other males.
Virgin birth – which involves the development of an unfertilised egg – has preoccupied humans for aeons. And although it can’t happen in mammals, it does seem to be possible in […]
Psychologist Adrian Furnham has termed this effect the male hubris, female humility problem.
From 1974 to 1978, the chimps of Gombe Stream National Park in Tanzania were at war with each other, the first time conservationists saw chimps engage in calculated, cold-blooded killing.
For 40 years, scientists thought a specific gene was linked to aggression in hamsters. Removing it, however, had violent consequences.
A large study links pornography use to decreased sexual performance for men and increased sexual performance for women.
One of the best-known allegorical depictions of love has a rather pessimistic male twin.
In the shadow of the Shard, the mosaics help paint a picture of Roman London.
A new, easy-to-use, $5-device helps address male infertility. It isolates healthy sperm cells based on their natural behavior.
Tusks suddenly became a liability, even though in natural circumstances, tusks are very useful.
Often called modern-day dinosaurs, cassowaries are one of only a few birds known to have killed humans.
In 1933, the skull of a 50-year-old male of the Homo longi species was found in China, puzzling researchers.
The tiny swimmers appear to transmit signals that "persuade" the female body to have a baby.
Is there such a thing as a heroic personality type?
It's not about leaves in tall trees.
The weirdest thing about the 21 feet found near Vancouver since 2007? Foul play has been ruled out.
Catholic sisters outnumber priests and religious on every continent.
Hybrid animals emere when two different species from the same family reproduce. For many years, the kunga’s lineage was just another genetic mystery.
Previous research suggesting it's all about prolactin may be missing the mark.
The results of a recent study suggest that some clinicians might be failing to explore other causes when treating gender dysphoria.
New research shows that experiencing an opposite-sex body in virtual reality impacted the subject's gender identity.
The biology behind your office's air conditioning war.