Life
- Animals
Mama frog’s care includes a gift of poison
Strawberry poison frog tadpoles get defensive chemicals through unfertilized, nutritious eggs provided by mom.
- Life
To do: Exhibits to explore in the U.S. and London
Highlights include the impending arrival of a T. rex skeleton in Washington, D.C., a pterosaur exhibit coming to New York City, and the history of longevity at the Royal Society in London.
- Health & Medicine
Small molecule makes brain cancer cells collapse and die
A small molecule, Vacquinol-1, may provide a different way to target and kill cells in glioblastomas, a type of brain tumor.
- Plants
Milkweed ‘horns’ may equal wins in reproduction battle
Plants may be ripping a page right from bucks’ playbooks, developing hornlike weapons to improve their chances of reproduction.
- Animals
A parasitic cuckoo can be a good thing
Great spotted cuckoo chicks show that brood parasites may benefit their hosts.
- Plants
Fossil fern showcases ancient chromosomes
Fossil nuclei and chromosomes seen in a 180-million-year-old fern reveals that the plants have stayed mostly the same.
- Life
Human noses know more than 1 trillion odors
Sense of smell displays a vast reach in study of people’s ability to distinguish between scents.
- Neuroscience
Calcium in alcoholism drug may be what prevents relapse
Acamprosate, one of the few drugs to treat alcoholism, may be nothing more than a vehicle for a calcium supplement.
- Paleontology
The dinosaur ‘chicken from hell’
Fossils suggest that a supersized chickenlike reptile called Anzu wyliei roamed what are now the Dakotas roughly 67 million years ago.
- Life
Vitamin A deficit in the womb hurts immune development
Mice deprived of vitamin A in utero grow up with undersized immune organs.
- Animals
Owl monkeys’ fidelity linked to males’ quality of parenting
The evolution of animals’ sexual fidelity is probably linked to the intensity of male care, the researchers suggest.
- Animals
Like a boomerang, relocated python comes back again
Burmese pythons, which have invaded the Everglades, can find their way home when people move them dozens of kilometers.
