A team of engineering students at Harvard is teaming with a startup called Savormetrics to develop a device that can tell us when avocados will be ripe. It's one step on the way to solving the costly problem of food waste. Plus: a project in Belgium called #ArtGenetics is learning about the evolution of fruits and vegetables through classic paintings.
This day in 1780 was a very strange day for New England. The sun decided to leave the sky around 10 in the morning, leaving everything pitch black and scaring the heck out of the locals. Plus: this day in 1964 was a very strange day for Andy Warhol, who received a very interesting letter from the Campbell Soup Company.
Paintings made with Day Glo paint - some by well-known and influential artists - are losing their glow over time. Conservationists don't yet know how to solve this puzzle, but we do at least know how Day Glo got started.