Biofluorescence is seen on the plumage of an emperor bird-of-paradise (Paradisaea guilielmi) in the American Museum of Natural History’s collection. Click to enlarge. Credit: Rene Martin When a male ...

There’s no evidence that male enhancement pills can increase penis size, but for people experiencing erectile dysfunction, there are treatment options available. The male enhancement pills ...

The average male height varies across the world. The average male is about 5 feet 9 inches tall in the United States. Factors like genetics, nutrition, and health conditions can affect where you ...

(Dominique Faget/AFP via Getty Images) Bird flu is at a dangerous point in the United States: Nearly 167 million birds have been impacted by the H5N1 strain since 2022, and 70 people have been ...

Full-frontal male nudity in all three series of The White Lotus has provoked waves of reaction and comment. Why does showing a penis on screen still have the ability to shock? Episode four of The ...

Pitch determines how high or low a sound is — for example, the chirp of a bird versus the growl of a dog. Harmonic structure defines tonal quality, distinguishing a piano note from a frog’s croak.

While bird feeders are common in Britain's gardens, bird baths are less so. Bird baths are a brilliant way of providing birds with a regular supply of clean water for both drinking and bathing. Bird ...

Male clients with verbally or physically abusive fathers often talk in therapy about how they “don’t want to be like my dad”, but it’s a difficult legacy to dodge. Male sexual ...

Bird flu has ripped through the animal kingdom for the past few years now, killing countless birds and crossing into an alarming number of mammals. Yet people remain largely untouched. Even though ...

Charles Darwin, musing about birds in “The Descent of Man,” also thought at least some animals appreciate beauty: “When we behold a male bird elaborately displaying his graceful plumes or ...