News
- Paleontology
Rarity of fossils of young tyrannosaurs explained
Paleontologists have unearthed only a few juvenile tyrannosaurs, and a new study suggests why: A large percentage of these meat-eating dinosaurs, unlike many other creatures, survived into adulthood.
- Health & Medicine
Device spots sponges left behind
A device that uses radiofrequency identification can detect tagged sponges left in patients undergoing surgery.
- Chemistry
Old drug, new use
By screening a library of more than 2,000 existing drugs, researchers have identified an antihistamine that shows activity against malaria.
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Bullying leaves mark on kids’ psyches
Being victimized by bullies at school between ages 5 and 7 promotes a unique set of behavioral and emotional problems in children, regardless of any such problems that they had before entering school.
