Life & Evolution

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nightshade leaf with goo and ant

Tests suggest that nightshade goo contains lots of sugar and some amino acids that may help attract protective ants like Lasius niger (shown). Researchers suspect that a common hormone called jasmonic acid induces its production. 

a sleeping Australian dragon

CATCHING Z’S While sleeping, this Australian dragon (Pogona vitticeps) shows brain wave patterns similar to those of slumbering birds and mammals. 


Like all bearcats, Bok, who lives at Carolina Tiger Rescue in North Carolina, smells of popcorn. Scientists have traced the signature scent to a chemical found in rice and — yes — popcorn. 

Life & Evolution

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