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TIL most of the founding fathers were quite young - most were in their 20’s or 30’s. Except for Benjamin Franklin, who was 70.

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16bWW TIL that "Clever Hans," a horse in the early 1900s, seemed to do math but was actually responding to unconscious cues from his owner, leading to a breakthrough in psychology called the "Clever Hans Effect.
4k8la TIL: The first highly successful disposable product was the bottle cap in 1892, also known as a crown cork.
Wk79o From powering airplanes to replacing nuclear energy, algae has been touted as a green energy miracle. So if our waterways are already filled with the stuff, why isn’t it filling the world’s skies with biofueled planes? Algae is a tricky creature that presents a lot of challenges and misconceptions. Here’s why it’s difficult to harness—and why it could big a big payoff.
PY6PV TIL In the '71 film, The Andromeda Strain, in order to film the sequence in which a monkey was 'killed', an airtight set was created into which carbon monoxide was pumped, forcing the monkey to suffocate. Then, a waiting veterinarian rushed on the set and treated it with oxygen.
geo8 TIL A real-life Loch Ness monster skeleton was found after 50 years. The fossil remains of a 13-foot-long reptile that ruled the Scottish seas 170 million years ago have been found.