Uncategorized
- Planetary Science
Space simulations of 1960s focused on survival
50 years ago, space simulations focused on survival. Now, quality of life is critical, too.
- Animals
Ocean animals have bulked up since ancient eras
Marine animals today are much larger on average than they were in the Cambrian Period.
- Ecosystems
Bluebird moms inadvertently fuel wars between species
Extra hormones delivered to eggs holding sons in tough times end up driving one bluebird species to chase off another
By Susan Milius - Cosmology
The past according to Planck: Cosmologists got a lot right
New results from the Planck satellite largely support cosmologists’ theories, but leave the door open for new discoveries.
By Andrew Grant - Health & Medicine
New HPV shot fends off more types of the virus
A new vaccine that covers more strains of the human papillomavirus protects better against cervical and other cancers.
By Nathan Seppa - Anthropology
Fossil teeth flesh out ancient kids’ varied growth rates
X-ray technique sheds light on hominids’ developmental variety.
By Bruce Bower - Genetics
Catalog of DNA modifications produces surprises
A map of chemical modifications of DNA and its associated proteins shows how the genome changes during development and disease.
- Neuroscience
Blame pot munchies on nerve cells that normally nix appetite
Pot munchies demystified: Marijuana hijacks fullness nerve cells, making them send hunger signals instead.
- Astronomy
Closest star approach to the sun
Astronomers discover a binary system that made the closest known flyby of the sun.
- Life
Insulin-suppressing hormone discovered
A newly discovered hormone suppresses insulin production and secretion in fruit flies and maybe in humans.
- Neuroscience
Bipolar risk boosted by accumulation of rare versions of genes
A buildup of rare versions of genes that control nerve cell activity contributes to the genetic risk of bipolar disorder.
- Ecosystems
Fooled you! Whirling tails of luna moths deflect bat attacks
Luna moths can use their tails to reflect the echolocation pings of bats, tricking the predators into striking the tails instead of less expendable body parts.
By Susan Milius