Today in 1847, the state of Missouri put a significant obstacle in front of a civil rights activist's efforts to educate Black students in St. Louis. But he found a way around it.
Vantablack is a color that's so black it absorbs almost all of the light nearby. There's new research out about a "vantafish" that does almost the same thing to avoid its hungry bioluminescent neighbors.
Kryptos is a puzzle sculpture that’s been on the grounds of CIA headquarters in Langley, Virginia since 1990. Three of its four coded messages have been solved - and now we have a clue that might reveal the fourth.
Autonomous robot boats are a thing! Over time, researchers have taught them to row themselves gently down the stream and to connect to each other autonomously - soon they could help clean the water or even turn themselves into temporary footbridges.