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The amyloid precursor protein (APP) inserts into the cell membrane of neurons. After sequential cleavage by β and β secretases, the Aβ protein is released (green). The membrane oligomers are made up of 4 or 8 copies of the Aβ protein. The physicochemical properties of the edges of these oligomers …

NASA astronaut Chris Cassidy snapped this photo of SpaceX’s Crew Dragon vehicle docked at the International Space Station during a spacewalk with Bob Behnken on Friday, June 26, 2020. (Image credit: Bob Behnken / Twitter) NASA astronauts got a “pretty impressive” view of SpaceX’s Crew Dragon vehicle docked at the …

fake pictures Kurt Warner was a league’s Most Valuable Player with the Rams before injuries and ineffective play saw him cut twice and largely viewed as washout. And then he went back to line up with the Cardinals and became a Pro Bowler and Super Bowl starter again. Warner believes …

The lights went out on Broadway on March 12 in the early days of the pandemic, after ushers at multiple theaters tested positive for COVID-19. Initially, it was announced that productions would close at least until April 13; then they delayed it until June 7; Then they said that the …

A massive fireball appeared in the skies over several southern states of the United States in the early hours of the morning of June 19. Eyewitnesses report seeing a long streak followed by a bright flash and then a boom. It is unclear if any piece of the space rock …