animal research

All chimps managed by the National Institutes of Health that are currently eligible to go to a sanctuary have been moved there, but animal welfare advocates say more should be allowed to go.

Scientists are learning how the party drug ketamine relieves depression so quickly — and why its effects fade over time.

Researchers found that a protein in human umbilical cord plasma improved learning and memory in older mice, but there's no indication it would work in people.

Most potential new drugs don't work when tested in people. It's a major disappointment and it drives up the cost of developing new drugs. One big reason is the use of animals in medical research.

Most potential Alzheimer's drugs are tested on mice. But rats may be a better choice because they seem to have a type of memory that's more like ours, and also are highly vulnerable to Alzheimer's.

Scientists have been attaching transmitters on the huge seagoing birds and are astonished by their ability to stay aloft.