60-second Science

Researchers determined that the variation of a couple hundred proteins in a person's hair could be enough to single her out from one million individuals. Christopher Intagliata reports.

Sharks can accumulate both methylmercury and a toxin called BMAA, which can have synergistic effects on human consumers. Christopher Intagliata reports.

Teenage girls who cared for infant dolls, an intervention meant to prevent pregnancy, actually had a higher risk of getting pregnant by age 20. Christopher Intagliata reports.

Bearded dragons modify their colors for camouflage or to maintain body temperature, or to communicate with other dragons. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Using an artificial stream system, researchers found that amphetamine residues altered insect and microbial life in aquatic ecosystems. Christopher Intagliata reports.

In 12 hours Dracaena plants removed nearly all the acetone from an airtight chamber, suggesting they might be put to use as air filters in nail salons. Christopher Intagliata reports.

Badgers were far more frightened by the sounds of humans than by their traditional predators, such as bears or wolves.   Learn more about your ad choices. Visit megaphone.fm/adchoices

A survey during the 2012 election found that bus tours and visits to greasy spoons didn't do much to change voter opinions. Christopher Intagliata reports. 

Upending the belief that residents of ancient Central America did not practice animal husbandry, new evidence shows that people in Teotihuacán raised and bred rabbits and hares.      

A black hole analogue, which traps sound instead of light, generates "Hawking radiation," a key prediction by the theoretical physicist. Christopher Intagliata reports.

In neighborhoods where kids have an increased chance of exposure to toxic lead, pigeons also have higher blood lead levels—making the birds potential proxies for risk assessment.

Researchers found that a bad actor could cheaply and easily clone a remote keyless entry system to gain entry. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Individual Greenland sharks appear to live perhaps a century longer than any other vertebrate, and might have life spans approaching 500 years.      

The Yao people of Mozambique vocally signal honeyguide birds to show them the location of hives, which the people harvest and share with the birds.     Learn more about your ad choices. Visit megaphone.fm/adchoices

Environmental concentrations of certain insecticides slashed honeybee drones' living sperm counts. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Reintroducing mountain lions to the eastern U.S. could save human lives and reduce injuries by lowering deer populations and preventing car–deer collisions.  

A 2,000-year-old latrine in China provides the first hard evidence that people carried diseases long distances along the ancient trading route.  

Inbred canaries sang songs with less pure tones, and at slightly different pitches, than their outbred cousins—and female canaries seemed to be able to tell the difference.  

A thermal spike linked to the solar system’s largest storm explains weather on gas-giant planets

Fish flourished in creeks in which human engineers helped shore up beaver dams made weak by poor timber availability.