90 years before the invention…

90 years before the invention of the modern wireless telephone, Alexander Graham Bell invented a device that could transmit speech using sunlight. Bell was immensely proud of the achievement, to the point that he wanted to name his new second daughter “Photophone”, which was subtly discouraged by his wife Mabel Bell (they instead chose “Marian”, with “Daisy” as her nickname).

Technically, you…

Technically, you COULD stop a hurricane by shooting at it, if you had ~5000 machine guns firing constantly into the wind for 24 hours straight. So there you have it, folks: if you wanna kill a hurricane with bullets, all you need is 24 hours, a fortified brigade of heavy artillerymen, and $20 billion worth of ammunition. Of course, in the process, you’d probably put enough lead in the water to poison the entire eastern seaboard…so maybe don’t expect a medal.

300 million years ago…

300 million years ago insects could get really big. Millipedes and centipedes could get larger than humans, dragonflies as big as eagles, beatles the size of a large dog.The leading theory is that ancient bugs got big because they benefited from a surplus of oxygen in Earth’s atmosphere. And the leading theory on why there was so much O2 is that trees were new on the scene and were able to grow because of lignin. But lignin could not be consumed by anything in that era so trees kept putting oxygen in the atmosphere but didn’t “balance the books” by releasing CO2 when they died.
They also believe this process led to the greatest mass extinction on the planet.