Biology

Dairy farmers can go to this online catalog and pick a bull, and the company will ship doses of semen to impregnate their cows.

Every culture, workplace, group, and family has its norms — its standards, the way things are done. Norms govern everything from relati ...

Lobstermen and conservationists are finding common ground with ropeless fishing gear, but time is running out.

Bird numbers in North America are down 30% from 1970. We look at what's behind the declines, what species have been hardest hit, and how to make your yard bird-friendly.

Lab-grown meat for dogs and cats might be on the market before lab-grown meat for humans.

Scientist. Farmer. Feminist. Leader. Alpha male. Veteran. African-American. Hindu. Identity isn’t just about who we think we are — it ...

Coloring is a complex chemical reaction, a sophisticated organic synthesis, that takes place in each strand on the top of your head.

How emerging microbiome science is pointing the way toward an innovative approach.

You know when you get butterflies in your stomach? Or your gut clenches with fear? Or the way a gory movie can fill you with nausea? Thos ...

Some middle and high schools in the area are starting their school days later, which experts say will result in healthier, less troublemaking students.

We return to our episode about the spotted lanternfly, with an update on how the "great hitchhiker" has spread over the summer and the tools being used to combat it.

It wasn’t until a few years ago that researchers defined what really counts, to animals, as play.

Globally, antibiotic-resistant bacteria are becoming an increasing problem. The Wistar Institute convened researchers to discuss alternative treatments.

Everyone loves a good comeback story — but they don’t just apply to athletes and washed-up actors. Revivals can happen for ideas, pla ...

Nostalgia means everything old can be new again. In the brain, memory meets emotion to make us feel good (mostly) — and sometimes like spending money.