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Paleobiologist Nick Pyenson is dedicated to uncovering the "hidden lives" of whales. He says that 40 million to 50 million years ago, they had four legs and lived at least part of their lives on land.

Instead of letting food rot, some entrepreneurs want to use it to feed insects, which can then nourish livestock. But federal regulations have been slow to catch up to the growth of insect farms.

To slow the collapse of nature, the Biden administration is promising to protect nearly a third of the country's land and water by 2030. The plan is expected to rely heavily on private landowners.

In Silicon Valley, Google has acquired billions of dollars of property that's at risk for flooding as sea levels continue to rise. That's raising questions about whether it's safe to build at all.

Russia's state-run gas company has cut supplies to Poland and Bulgaria. At the heart of this move: the war in Ukraine, the sanctions imposed by the West, and Russia's attempts to wriggle free of them.

The current edition of the Diagnostic and Statistical Manual is known as the DSM-5. What will the next version be called? That's one of several open questions as the "Bible of psychiatry" goes online.

President Biden's Inflation Reduction Act invests $369 billion to address the climate crisis. But as the president focuses on the law's economic benefits, is his climate win getting lost?

The Trump administration tried to end or privatize the government Energy Star efficiency program. But now Trump has signed a budget bill that fully funds the program and leaves it even stronger.

All the news we couldn't fit anywhere else.

Along some coastlines toxic contamination could seep into basements or broken sewage lines in coming years. In California's Bay Area, regulators are grappling with how to protect people.