Animals
Giant rats could soon help sniff out illegally smuggled goods
African giant pouched rats can detect landmines and diseases. Now some have been trained to sense elephant ivory, pangolin scales and more.
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African giant pouched rats can detect landmines and diseases. Now some have been trained to sense elephant ivory, pangolin scales and more.
A mid-1850s act let the United States seize islands rich in bird guano. Those strategic outposts fueled the U.S. rise to power, a researcher says.
Rediscovery of giant salmon carp in Cambodia sparks hope for the rare fish’s survival and efforts to conserve one of the greatest diversity hot spots.
A new study looks at which insects can be used as biological clocks to determine when a rhino was killed.
Polar bears have been exposed to more viruses, bacteria and parasites in recent decades, a new study shows, possibly acquiring the germs in their diet.
New video upsets the old notion that these birds of paradise use wing clapping to make percussive sounds while courting.
Climate change is putting monarch butterflies’ overwintering forests in Mexico at risk. Could planting new forests solve that problem?
Taking in seawater while filtering out dense salts lets unicellular phytoplankton migrate tens of meters vertically toward sunnier seas.
The annual Small World photomicrography competition, now in its 50th year, puts life’s smallest details under the microscope.
Insects stuck in sundew plants’ sticky secretions suffocate and die before being subjected to a medley of digestive enzymes.
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