26/07/2017

Sharks revealed as the great protectors of seagrass

Sharks, marine scientists say, are often misunderstood, described as ravenous man-eaters. In reality, sharks are critically important to the health of the world's oceans, yet a quarter of all shark species are threatened ...

Adjusting fertilizers vital in claypan ag soils

All soils are not equal. Rich loams support the world's most productive agricultural regions, including swaths of the American Midwest. But in some parts of the Midwest, including areas in Missouri and Illinois, claypan soils ...

New law could shore up US helium supply

Helium is essential for MRIs, the fiber optics that deliver images to our TVs, scientific research and of course, party balloons. In the past decade, helium prices have sky-rocketed due to supply shortages. But if small updates ...

Chatting coordinates heterogeneity

Bacterial cells communicate with one another by using chemical signal molecules, which they synthesize and secrete into their surroundings. By this means, the behavior of an entire population can be controlled and coordinated. ...

Identifying major transitions in human cultural evolution

Over the past 10,000 years human cultures have expanded from small groups of hunter-gatherers to colossal and complexly organized societies. The secrets to how and why this major cultural transition occurred have largely ...

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