A clearer view of past climate from tree rings

To see where the Earth's climate is headed, we have to see where it's been—and a new San Francisco State University study could offer a clearer picture. The study outlines a way to use a basic law of plant growth to improve ...

How the devil ray got its horns

If you ever find yourself staring down a manta ray, you'll probably notice two things right away: the massive, flapping fins that produce the shark cousin's 20-foot wingspan and the two fleshy growths curling out of its head ...

Astronomers search for signs of life on Wolf 1061 exoplanet

Is there anybody out there? The question of whether Earthlings are alone in the universe has puzzled everyone from biologists and physicists to philosophers and filmmakers. It's also the driving force behind San Francisco ...

Student researchers shed light on ultrathin materials

In 2014, electrical engineering major Alex Yore was looking for a way to get some hands-on experience in materials science when he stumbled upon something fortuitous—a new physics faculty member looking to get his lab up ...

Team catalogs most likely 'second-Earth' candidates

Looking for another Earth? An international team of researchers has pinpointed which of the more than 4,000 exoplanets discovered by NASA's Kepler mission are most likely to be similar to our rocky home.

Study reveals how climate influences sediment size

In a new paper published this week in the Proceedings of the National Academy of Sciences (PNAS), San Francisco State University Professor of Earth and Climate Sciences Leonard Sklar and colleagues show how two established ...

Deadly frog fungus dates back to 1880s, studies find

A deadly fungus responsible for the extinction of more than 200 amphibian species worldwide has coexisted harmlessly with animals in Illinois and Korea for more than a century, a pair of studies have found.

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