News
- Planetary Science
A small object past Pluto may have a thin atmosphere
A brief stellar eclipse suggests the tiny 2002 XV93 has a thin atmosphere — a first for any solar system body farther from the sun than Pluto.
- Neuroscience
Newly mapped brain networks link far-flung regions
In mouse brains, star-shaped astrocytes form flexible networks that may offer another way for brain regions to communicate.
- Health & Medicine
Peptides are unproven as health aids. FDA may unleash them anyway
Rather than reining in the compounds, the FDA may be poised to broaden access, perhapas even adding peptides to supplements. Experts say “buyer beware.”
