Dried-up ponds are bad news for mountain frogs

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The long summer drought in the Pacific Northwest is doing more than causing raging wildfires in Washington state forests. A less noticeable consequence is taking place in mountain ponds as the drought and minimal snowpack...

Teens who use e-cigs more likely to start smoking

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Electronic cigarettes are loosely regulated in the United States and fairly easy for teenagers to purchase, but a new study finds that using e-cigarettes increases the likelihood those teens will start smoking traditional cigarettes. “E-cigarettes...

Guzzling these RNA molecules won’t do any good

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A new study may have solved an ongoing debate about the benefits of ingesting microRNA molecules from food or liquid. The molecules appear to suppress cancer cell growth and may play a role in...

Ancient skull links turtles to birds

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New fossil evidence proves that turtles share a recent common ancestor with birds and crocodiles. The discovery may settle a longstanding argument about the origins of turtles, scientists say. At issue is the evolution of...

DNA and protein combine to create nanowire

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Scientists have made synthetic structures out of DNA or protein before. Now, a team has created nanowires from a combination of the two. The ability to custom design biological materials such as protein and DNA...

Immune cells cluster to fight viruses

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Like birds, ants, and other living organisms, immune cells work collectively to kill viruses like the flu. That finding offers new insights into how immune cells work together to get to their final destination—the site...

Caves get bigger when microbes eat this

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Since 2004, researchers have been studying the Frasassi cave system, an actively developing limestone cave system located 1,500 feet underground in central Italy. Limestone caves can form when solid limestone dissolves after coming in contact...

Antarctic ice sheets might last longer than we thought

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As surface temperatures rise, ice sheets are melting at record rates and sea levels are rising—but perhaps not as quickly as predicted. To predict sea level changes, scientists look to Earth’s distant past, when climate...

Climate change is going to reshuffle ocean animals

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Marine species are relocating, generally toward the poles, to find water temperatures that suit them, scientists say. By the end of the century, they predict warmer oceans will result in significant global redistribution of...

Six ways ancient Maya still alter the environment

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Activities of the Maya 2,000 years ago in Central America contributed to the decline of their environment. New research finds evidence of their influence on today’s environmental conditions, as well. It’s the first study to show...
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