Kangaroo Island shows burn scars on one third of the land mass

NASA's Terra satellite provided before and after imagery that showed the extent of the fires that have been ravaging Australia's Kangaroo Island. Kangaroo Island lies off the mainland of South Australia, southwest of Adelaide. ...

A scar that the Woolsey Fire left behind

Fire destroys and decimates. It takes out almost everything in its path. In the wake of a fire, a burn scar appears which takes a long time to heal. The mountains of San Bernardino County in Southern California were in a ...

How does a frog heal wounded skin without scarring?

When a Xenopus frog is deeply wounded, its skin can regenerate without scarring. Researchers have found that cells under the skin contribute to this regeneration after an excision injury.

How exploring Mars could help us fight climate change on Earth

The surface of Mars is a cold desert. Scars in the landscape point to a history of flowing rivers, standing lakes and possibly even planetary oceans. Yet the current Martian atmosphere has a density that's around 0.6% of ...

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