April 30

"Dangers come but dangers also go and when they do, the brain has an “all-clear” signal that teaches it to extinguish its fear."https://picower.mit.edu/news/dopamine-signals-when-fear-can-be-forgotten?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4

June 23

Computer scientist Alan Turing born (1912); Track and field great Wilma Rudolph born (1940); Title IX enacted, banning gender discrimination in public education and sports (1972); Polio vaccine developer Jonas Salk dies (1995); The UK votes to leave the EU (2016).

July 13

"Gravitational waves are tiny distortions in spacetime itself, created when massive objects like black holes or neutron stars collide."https://www.universetoday.com/articles/magnets-could-become-the-next-generation-of-gravitational-wave-detectors

September 15

Mystery writer Agatha Christie born (1890); Muhammad Ali defeats Leon Spinks to win heavyweight title for the third time (1978); Prince Harry born (1984); Google.com registered as domain name (1997).

August 16

"Here on Earth, in Review of Scientific Instruments, by AIP Publishing, researchers from Jet Propulsion Laboratory and the California Institute of Technology used a technique called optical photothermal infrared spectroscopy (O-PTIR) to study a visually similar rock. They wanted to determine if O-PTIR can be applied to the Sapphire Canyon sample when it is eventually brought here for study."https://sciencedaily.com/releases/2025/08/250814094626.htm?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4#google_vignette

August 14

Steve Martin born (1945); Magic Johnson born (1959); Halle Berry born (1966); Blackout in the US and Canada affects 53 million (2003); US Embassy in Cuba opens for first time in 54 years (2015).

October 27

"A new study by investigators from Mass General Brigham used next-generation imaging technology to discover that when the brain is falling asleep, it shows a coordinated shift in activity."https://www.massgeneralbrigham.org/en/about/newsroom/press-releases/research-shows-coordinated-shift-in-brain-activity-while-asleep?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4