60-second Science

A Danish study of more than 50,000 adults suggests that exercise lowers risk of death—even if you work out amidst urban air pollution. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices

A small study finds that diabetics who ate a big breakfast and small dinner had better glucose control than those who ate the opposite. Steve Mirsky reports  

You can now share your genome, health and microbiome info, and viral infection data to crowdsourced medical research projects. Cynthia Graber reports  

The six million black people who left the South between 1910 and 1970 had better economic opportunity but a lower chance or reaching their 70s. Erika Beras reports

NASA’s Cassini spacecraft spotted a surprising amount of methane erupting from Saturn’s moon Enceladus, suggesting it harbors more methane than we thought. Clara Moskowitz reports

The Plasmodium parasite uses an altered type of plant chloroplast to manufacture pine-and-lemon-scented chemicals, which lure in the bloodsuckers. Christopher Intagliata reports

Bicarbonate, the chemical that transports CO2 through the blood, increases the "refresh rate" of rod cells in lab tests--which could mean better motion detection. Christopher Intagliata reports

The decline and abandonment of the Mexican metropolis may have been hastened by infighting among different cultural and socioeconomic groups. Cynthia Graber reports Learn more about your ad choices. Visit megaphone.fm/adchoices

People in the Congo rainforests or in Montreal tended to react to the same piece of music in strikingly similar ways. Andrea Alfano reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Astronomers report the discovery of only the second quadruple-star system known to host at least one planet. But they suspect there are a lot more such systems out there. Lee Billings reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Smoke wafting north from the Gulf of Mexico worsened the already stormy weather brewing across the southeastern U.S. on April 27, 2011. Julia Rosen reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Severe weather forecasters could incorporate El Niño and La Niña cycling to make springtime tornado and hail forecasts. Christopher Intagliata reports

Physical remains in Sri Lanka show that people lived in rainforests 20,000 years ago, at least 10,000 years earlier than previous evidence showed. Cynthia Graber reports  

What’s called ResearchKit enables scientists to more easily write mobile apps that take advantage of iPhone sensors to study asthma, Parkinson’s and other diseases. Larry Greenemeier reports  

On the March 12 episode of The Big Bang Theory, a mock copy of Scientific American becomes a key part of the plot. The sitcom's science advisor, U.C.L.A. physicist David Saltzberg, talks about the show's reach to the lay public. Steve Mirsky reports Learn more about your ad choices. Visit megaphone.fm/adchoices

People of all ages find background sound distracting, but noise appears to impede memory formation in older people. Erika Beras reports

A new genetic analysis reveals a massive migration from the central Asian grasslands into Europe 4,500 years ago—implying that some languages followed. Christopher Intagliata reports

Two studies, one with bees and one with mice, show that the brain can be manipulated into having a memory of an occurrence that did not in reality happen. Karen Hopkin reports    

Whale females, like humans, live well past menopause, a trait possibly selected for because their knowledge base can help their entire clan survive. Dina Fine Maron reports

Mice fed a diet high in sodium had increased immune cell activity in their skin that helped ward off infection. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices