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Buried Tools and Pigments Tell a New History of Humans in Australia for 65,000 Years

The following essay is reprinted with permission from The Conversation , an online publication covering the latest research. The question of when people first arrived in Australia has been the subject of lively debate among archaeologists, and one with important consequences for the global story of human evolution. Australia is the end point of early modern human migration out of Africa, ...

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Stellar Winds Could Be Bad News for Life on TRAPPIST-1 Planets

The potentially Earth-like planets in the TRAPPIST-1 system  may not be so conducive to life after all, two new studies report.  Intense radiation and particles streaming from their host star have likely taken a huge toll on all seven of these worlds, even the three that apparently lie within the “habitable zone ,” where liquid water could theoretically exist on a ...

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Watch a Wolf Pup Vet Visit

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us ). Scientific American maintains a strict policy of editorial independence in reporting developments in science to our readers. 0SHARESShare Tweet Click here to Read from the source

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Female astronomers of colour face daunting discrimination

Women of colour working in astronomy and planetary science experience high rates of harassment at work, a study finds. In a survey, a striking 40% of these scientists reported feeling unsafe in their workplaces owing to their gender, and 28% reported feeling unsafe on account of their race. The findings, published on 10 July in the Journal of Geophysical Research: ...

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New Antarctic iceberg echoes old problem

Holger Leue/Lonely Planet Images/Getty Increased tourism could be contributing to plastic pollution in Antarctica. It’s winter in Antarctica, and dark. Only passing satellites can see the continent’s latest giant iceberg. But news of the massive break in the Larsen C ice shelf, and the jagged section that now floats free, has raced around the world. Size sells. The chunk of ...

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US lawmakers seek $1.1-billion boost for the NIH

NEWS 12 July 2017 Legislation introduced in the House of Representatives also rejects a White House plan to cut ‘indirect cost’ payments to research institutions. Lauren Morello Search for this author in: The US National Institutes of Health (NIH) would see its budget rise by US$1.1 billion in 2018, to $35.2 billion, under a spending proposal released on 12 July ...

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Satellite snafu masked true sea-level rise for decades

Joe Raedle/Getty As the Greenland ice sheet thaws, it is helping to raise the world’s sea levels.  The numbers didn’t add up. Even as Earth grew warmer and glaciers and ice sheets thawed, decades of satellite data seemed to show that the rate of sea-level rise was holding steady — or even declining. Now, after puzzling over this discrepancy for ...

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Ditching diesel won’t clear the air

In Pictures Ltd./Corbis via Getty A study suggests that petrol engines might not be cleaner than diesel ones after all. In Arizona, you can do it for 5 minutes, and longer when it gets warm. If it’s cold, then in Connecticut you can stay at it all night. Do it in London and you will now be fined £80 (US$104). ...

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European Commission urges logging ban in ancient Białowieża Forest

Grzegorz Broniatowki/Greenpeace Activists have tried to block logging operations in the Białowieża Forest. A campaign by scientists and environmental activists to prevent a surge in logging in Europe’s ancient Białowieża Forest is headed to the courts. The European Commission announced on 13 July that it is referring Poland to Europe’s highest court after the Polish government declined to roll back ...

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The DeepMind debacle demands dialogue on data

Without public approval, advances in how we use data will stall. That is why a regulator’s ruling against the operator of three London hospitals is about more than mishandling records from 1.6 million patients. It is a missed opportunity to have a conversation with the public about appropriate uses for their data. This month, the UK Information Commissioner’s Office declared ...

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