News
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PaleontologyAncient Buzzing: German site yields early hummingbird fossils
Excavations in Germany have yielded the only known fossils of hummingbirds from the Old World and by far the oldest such fossils unearthed anywhere.
By Sid Perkins -
AnimalsToxin Takeout: Frogs borrow poison for skin from ants
Scientists have identified formicine ants as a food source from which poison frogs acquire their chemical weapons.
By Susan Milius -
Words in the Brain: Reading program spurs neural rewrite in kids
Children who are deficient readers show improvement in both reading skills and brain function when given intensive instruction in how written letters correspond to speech sounds, a brain-imaging study finds.
By Bruce Bower -
Health & MedicineHumidity may affect LASIK surgery
High humidity can boost the chances of needing follow-up surgery after LASIK surgery for nearsightedness.