Top news for 2021-06-26

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Toxicity of protein involved in Alzheimer's triggered by a chemical 'switch'

On This Day In Space: May 25, 2008: NASA's Phoenix spacecraft lands on Mars

Watch Day 3 of National Space Society's ISDC 2021 conference live today

The Pentagon Lies About UFOs – But Not Always For The Reasons You’d Expect (Updated)

Summer Is a Scam. Here’s How to Fix It.

Meringue-Like Graphene-Based Aerogel Material Could Make Aircraft As Quiet as a Hairdryer

This Rare Finger-Like Fungus Is Hanging on For Its Life on a Small Australian Island

Build a High-Resolution Microscope From LEGO and Affordable Phone Parts

In historic discovery, scientists find human ancestor that interbred with ancient humans

Insulin Resistance Is Inversely Associated with the Status of Vitamin D in Both Diabetic and Non-Diabetic Populations