Medical research

Scientists unlock evolutionary secret of blood vessels

The ability to form closed systems of blood vessels is one of the hallmarks of vertebrate development. Without it, humans would be closer to invertebrates (think mollusks) in design, where blood simply washes through an open ...

Health

Why pain seems worse at night

As the song from the musical "Les Miserables," based on the novel by Victor Hugo, says, "But the tigers come at night, with their voices soft as thunder." We've all been miserable at night, when we find ourselves tossing ...

Psychology & Psychiatry

New research explores the appeal of 'dangerous' men

A new study led by The University of Western Australia has probed the age-old question of whether women prefer risk-taking men over their more careful cousins and come up with some surprising results.

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