RT @CNN: It turns out, cracking your knuckles is actually good for you https://t.co/Nbn5ZcklLg https://t.co/pskVBxdz2h


from Twitter https://twitter.com/mikezmac

Popular posts from this blog

Fake Eclipse Glasses Are Dangerous—Here’s How to Check Yours

Image
Fake Eclipse Glasses Are Dangerous—Here’s How to Check Yours A day after the American Astronomical Society (AAS) announced that there were no signs of unsafe eclipse glasses or other solar viewers on the market in early March, astronomer and science communicator Rick Fienberg received an alarming call. Continue Reading . . . https://www.scientificamerican.com/article/eclipse-glasses-fake-counterfeit/
Read more