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Science

Toxic algae have become more intense in the last 30 years

A new study from Monday seems to confirm an unpleasant reality: The potentially toxic algae bloom in freshwater lakes around the world have become more intense over the last 30 years. And while climate change is not the only reason why flowering has worsened, rising temperatures are likely to make it difficult to restore lakes. For their study, researchers at …

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The comet is an interstellar space visitor with a known species

CLOSING History Highlights This is only the second interstellar comet ever discovered in our solar system. A computer program specifically designed for the detection of interstellar objects confirmed the discovery. It will not be visible to the naked eye, but can be viewed through professional telescopes. Interstellar Comet 2I / Borisov was captured by the Twins North Telescope on September …

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Veteran astronauts approve NASA's moon return program

Click to enlarge / In May, a test version of Orion, attached to the launch system for the Abort-2 Flight Test, arrives at the Space Launch Complex 46 at Cape Canaveral Air Station. On Monday, during a conference in Houston, several veteran astronauts approved of NASA's plan to return to the moon. However, they also characterized the goal of landing …

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Scientists identify cause of harmful dendrites and mustaches in lithium batteries

PNNL scientists Chongmin Wang, Wu Xu and Yang He using a specially modified environmental electron microscope used to capture images and video of growing mustaches in lithium batteries. Credit: Andrea Starr / PNNL Scientists have discovered the root cause of the growth of needle-like structures – known as dendrites and mustaches – that knock lithium batteries, sometimes causing short circuits, …

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