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Humans

Human embryos have extra hand muscles found in lizards but not most adults

In developing human embryos, muscles are made, then lost, in a pattern that mirrors the appearance of the structures during evolution.

Earth

Here’s where Earth stores its carbon

Most of Earth’s carbon is stored inside the planet. But giant lava outflows and now humans have released huge amounts of carbon into the atmosphere.

Earth

Hurricane Lorenzo hit Category 5 farther east than any other storm

Lorenzo reached category 5 status on September 28, making it the northern-most and eastern-most category 5 hurricane ever recorded in the Atlantic.