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PsychologyKids today are waiting longer than ever in the classic marshmallow test
Preschoolers wait longer for extra treats than they used to. What does it mean?
By Bruce Bower -
Animals‘Spying on Whales’ dives into the story of true leviathans
"Spying on Whales" retraces the evolution of cetaceans, explaining how they came to be some of Earth’s largest creatures.
By Sid Perkins -
AnimalsThis invasive tick can clone itself and suck livestock dry
The newly invasive longhorned tick, now found in four continental U.S. states, spreads human diseases in its native Asia. Here, it’s mostly a threat to livestock — so far.
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LifeLeprosy lurks in armadillos in Brazil’s Amazon
Armadillos in the Brazilian Amazon are often infected with leprosy, which they may pass to people.