The prisoner's nutrition dilemma

Snacking is pervasive at the Massachusetts Correctional Institute at Norfolk, a medium security prison for men just south of Boston. A pint of Ben & Jerry's is a daily ritual for some, and a common treat is the "honey bun ...

How do birds survive storms and other harsh weather?

Survival in the wild, cruel, pitiless world is a tenuous thing. There are predators trying to eat you, pathogens trying to infect you, rivals trying to beat you. It is truly, as Alfred Lord Tennyson wrote, "Nature, red in ...

Making social change efforts more effective

Many organizations take on big problems like alleviating poverty or combatting climate change. But how can they—and their funders—know that their efforts are working? What are the best ways to measure complex interventions ...

An S.O.S. for Australian wildlife

Almost 30 people have died and thousands of homes have burned as wildfires have rampaged through Australia, but it is the wildlife that has borne the biggest brunt of the devastation.

Finding a gene that regulates sleep

What keeps us awake—and helps us fall asleep? The answer is complex, but involves what are called circadian rhythms, which are found in all species with sleep-wake cycles—physical, mental, and behavioral changes that ...

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