To cope with a growing shortage of hearts, livers, and lungs suitable for transplant, some scientists are genetically engineering pigs, while others are growing organs in the lab.
To cope with a growing shortage of hearts, livers, and lungs suitable for transplant, some scientists are genetically engineering pigs, while others are growing organs in the lab.
Japanese astronauts deliver an aquarium to the International Space Station to study the effects of microgravity on marine life.
“The body is a fascinating machine,” says Sandra Shefelbine, a biomechanics expert at Imperial College, London, in this 3-minute educational video by the Wellcome Trust illustrating the principles of muscle movement. “And we don’t understand most of
The Science of Sports: Winning in the Olympics takes a timely look at research on athletics.
Evolving the ability to run may also have made our ancestors smarter, suggesting that exercise can be healthy for the brain as well as the body.
Two whole genome duplications boosted the complexity of the ancestor of all vertebrates, but also introduced potential for disease.
Genomic analyses reveal that the polar bear evolved between 4 and 5 million years ago, far earlier than previous studies had estimated.
A relatively new pair of sex chromosomes in the fruit fly allows researchers to track their evolution from the beginning.
Researchers breed fruit flies that, after 40 generations of conditioning, have acquired the ability to react to numbers.
Guppies with experimentally shrunken brains produced more offspring than guppies bred for larger noggins, confirming a long suspected tradeoff of bigger brains.