News
- Health & Medicine
Light pot smoking easy on lungs
Infrequent marijuana users show a slight improvement in breathing capacity and middling smokers had no change, a 20-year study shows.
-
- Life
Crabs hither, shrimp thither
Biologists document surprising differences among deep-sea animals at hydrothermal vent fields.
- Life
Green gleam helps fish see violet
A deep-sea fish's eyes apparently use fluorescence to pick up hard-to-detect hues, researchers conclude.
- Life
Rhino beetle’s horn may be cheap
Outrageous-looking head spikes on the male of the species may not cost much in evolutionary terms.
