Giant gyres of plastic in the ocean grab headlines, but it's the tiny bits of plastic that scare scientists. And they've made their way everywhere, a new study finds — including in our seafood.
It turns out you aren't simply a clone of cells from the womb. Over a lifetime, mutations create a patchwork of tissues made with pieces that have subtly different genetic signatures.
When people who own dogs are stressed, their dogs also get stressed, a new study suggests. It's another indication of how emotionally synchronized dogs and their humans can be.
A headset that electrically stimulates your brain while you practice a motor skill claims to help you improve in less time. What might this mean for human abilities by 2050?
Psychologists and behavioral analysts say that active shooter drills can help prepare people for an emergency, but more elaborate ones can be harmful, especially when they are surprise drills.
National Institutes of Health research "that requires new acquisition of fetal tissue from elective abortions will not be conducted," the Department of Health and Human Services says.
A congressional committee has upheld a prohibition against the Food and Drug Administration considering using gene-edited embryos to establish pregnancies.
It was the biggest extinction in Earth's history. A new Smithsonian exhibit notes that some of the same things that killed over 90% of ocean species 250 million years ago are happening now.