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Life

Schools make fish smarter

A study of consensus decision making shows that sticklebacks make wider choices in groups of three or more.

Humans

Women’s chromosome division different from men’s

Using fluorescent markers, scientists are discovering that men and women divide chromosomes differently. The research may help explain Down syndrome and other chromosomal disorders.

Physics

Take the time to break quantum encryption

A time-travel scenario permitted by Einstein’s general theory of relativity offers a bit of possibility for breaking quantum encryption.

Health & Medicine

Gender matters in heart transplants

Heart transplant recipients who get a gender-matched organ fare better than those receiving mismatched organs.