Science Friday

The ABCs of altcoins, blockchains and cryptocurrency. Plus, one of the largest animals in the world is making a return to New York harbor.

Some 75,000 wild horses roam the sagebrush-lined slopes and basins of the American West—and the government can not figure out what to do with them. Plus, what genetic advances are telling us about Neanderthal DNA.

Some 75,000 wild horses roam the sagebrush-lined slopes and basins of the American West—and the government can not figure out what to do with them. Plus, what genetic advances are telling us about Neanderthal DNA.

The ABCs of altcoins, blockchains and cryptocurrency. Plus, one of the largest animals in the world is making a return to New York harbor.

Paddling a duck foot in water and other small experiments led to Darwins big theory of evolution. Plus, how our smartphones are robbing us of an undervalued cognitive resource—and what to do about it.

Paddling a duck foot in water and other small experiments led to Darwins big theory of evolution. Plus, how our smartphones are robbing us of an undervalued cognitive resource—and what to do about it.

In Puerto Rico, how will rescue efforts progress on a flooded island? Plus, we break down what would actually happen during a nuclear war.

In Puerto Rico, how will rescue efforts progress on a flooded island? Plus, we break down what would actually happen during a nuclear war.

Most wildfires are started by humans. Will that number increase in the future? Plus, how does a glow worm glow? Hint: not the same way as a firefly.