News
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For deep-diving whales, plastic garbage may ‘sound’ like food
Experiments show that the acoustic signature of plastic and prey is similar. That may confuse whales that use echolocation to hunt.
- Archaeology
A digital exam reels in engraved scenes of Stone Age net fishing
Nearly 16,000-year-old portrayals of fish surrounded by nets had evaded detection until a new technique took magnification to a new level.
- Archaeology
A huge, ancient Maya city has been found in southern Mexico
Lasers revealed that the city spanned roughly the same area as Beijing and may have been among the most densely populated in the region.
- Agriculture
Exploiting a genetic quirk in potatoes may cut fertilizer needs
A gene controlling potato growth limits the plant’s fertilizer uptake.
