60-second Science

Greenland's glacial rivers may flush some 400,000 tons of phosphorus into ocean waters—on par with the Mississippi or the Amazon. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

Aegean wall lizards are the first wild animals to be observed explicitly choosing the best background for their particular coloration to disappear into.  

About 47,000 years ago, newcomer humans to Australia helped to wipe out an enormous flightless bird by collecting and cooking its eggs.  

Developed nations that drive climate change incur relatively few of the costs whereas countries that produce few greenhouse gas emissions will be hard-hit, like nonsmokers exposed to second-hand smoke. Learn more about your ad choices. Visit megaphone.fm/adchoices

A public health advocate determined how much exercise is required to burn off various typical big game foods.

Bears’ gut summer bacteria are more diverse and include species that tend to promote energy storage than are the bacteria that live in them during their hibernation.  

A new review paper emphasizes the crucial role birds play in helping trees colonize new habitats—especially in the face of a changing climate. Christopher Intagliata reports.

Laboratory tests suggest that when the shellfish suck in tiny plastic particles, their reproductive success suffers. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices

At a Harvard T. H. Chan School of Public Health forum on diet and health, Walter Willett, chair of the school's nutrition department, talked about benefits and risks associated with antioxidant supplements.  

The newly discovered Himalayan forest thrush looks a great deal like the alpine thrush, but its far silkier song stylings gave it away as a potential new species.   Learn more about your ad choices. Visit megaphone.fm/adchoices

The presence of a gun increases the likelihood that someone in the home will die a violent death, particularly by suicide.   Learn more about your ad choices. Visit megaphone.fm/adchoices

A tiny primate, the marmoset, appears to process pitch perception the same way we do, implying that the ability evolved in a common ancestor at least 40 million years ago.  

Antibiotics work against bacterial infections but are often prescribed to people with viral infections, which don't respond to the drugs. But a new gene test could show if a patient's infection is viral or bacterial.   Learn more about your ad choices. Visit megaphone.fm/adchoices

Caltech astronomer Mike Brown, the driving force for demoting Pluto, now claims evidence for a massive, distant replacement ninth planet in our solar system.  

Sharks that could smell headed straight back home when taken a few miles away whereas some that had their senses of smell blocked took slower, more erratic paths to their old haunts. Learn more about your ad choices. Visit megaphone.fm/adchoices

Researchers found a spike in mercury, which is produced by volcanoes, in ancient ocean sediments from southern France that span the time of the dinosaurs' mass extinction, lending support to the idea that massive eruptions played a role, in addition to the asteroid impact. Learn more about your ad choices. Visit megaphone.fm/adchoices

At a Harvard T. H. Chan School of Public Health forum on diet and health, Walter Willett, chair of the school's nutrition department, said that adoption of more healthful eating habits even late in life still has benefits.

Sophisticated computational techniques make it possible to analyze gene samples from all the bacteria in the gut at once to take a census of the species present.  

When food is plentiful and chimps are more chummy, they harbor an increased number of different bacterial species in their bellies.  

The remains of a clearly butchered woolly mammoth in Siberia date to 45,000 years ago, 10 millennia earlier than when humans were thought to have crossed north of the Arctic circle.   Learn more about your ad choices. Visit megaphone.fm/adchoices