All Stories
- Paleontology
Dinosaurs died of rickets
After more than 80 years, a theory that too little vitamin D led to the demise of the dinos still awaits a shred of evidence.
- Health & Medicine
Body & Brain
The right speed for a caress, plus the punny brain, rocking babies and more in this week’s news.
-
- Psychology
Sleeping babies learn in an eyeblink
To learn about spoken words and other sounds, 1-month-old babies sleep on it.
-
-
- Humans
AAAS board defends climate scientists
“AAAS vigorously opposes attacks on researchers that question their personal and professional integrity or threaten their safety based on displeasure with their scientific conclusions.” This declaration was contained in a 400-word denunciation of attacks on climate scientists and the politicization of climate science that was issued June 29 by the organization's board of directors.
- Space
Most distant quasar raises questions
Superbright object appeared surprisingly soon after the Big Bang, challenging some theories about how black holes arose.
- Life
Alzheimer’s plaques due to purging flaw
A gene controls the clearance of a protein that accumulates in the brains of people with the condition.
- Space
Atom & Cosmos
When Jupiter aligns with Mars’ moon, plus a salty Saturnian moon and an eye-catching comet in this week’s news.
-
- Earth
BPA makes male mice less macho
Studies show that exposures in the womb or during adolescence can erase masculine habits or reverse sexes' behavior.
