As Skies Fill With Space Junk, Nonprofit Urges US to Pause StarLink Launches

The advocacy group PIRG is asking the US government to conduct environmental reviews of commercial internet satellites. The group’s new report warns of a space garbage problem with Earthly consequences.

https://www.wired.com/story/pirg-starlink-environmental-review-space-garbage/?utm_source=dlvr.it&utm_medium=blogger

During Pregnancy, the Placenta Hacks the Immune System to Protect the Fetus

Cells in the placenta have an unusual trick for activating gentle immune defenses and keeping them turned on when no infection is present. It involves crafting and deploying a fake virus. https://www.wired.com/story/during-pregnancy-the-placenta-hacks-the-immune-system-to-protect-the-fetus/?utm_source=dlvr.it&utm_medium=blogger

The Incredible Physics of Simone Biles' Yurchenko Double Pike

Calculating angular velocity and the moment of inertia isn’t quite as hard as competing in the Olympic gymnastics tournament—but it’s pretty darn tough. https://bit.ly/3kUqrIr

You Need a Password Manager. Here Are the Best Ones

Keep your logins locked down with our favorite apps for PC, Mac, Android, iPhone, and web browsers. https://bit.ly/3zrMjjY

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