Life & Evolution

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selection of cheeses

SAY CHEESE Fungi and bacteria shape the distinctive characters of a wide range of cheeses.

male giant water bug carrying eggs on its back

WHEN DAD BABYSITS  Those eggs on the back of a male giant water bug (Appasus japonicus shown) are so attractive to females that sexual selection may be a major force in maintaining dads-only care for young.

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. 

Life & Evolution

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