Science

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In 2016, a mass bleaching event caused unprecedented destruction to the Great Barrier Reef and other coral reefs around the world.

Now, a new study in Nature has concluded that securing a future for coral reefs "ultimately requires urgent and rapid action to reduce global warming."

It finds that local measures, such as protecting reefs and water quality, ultimately yield little protection against bleaching caused by higher water temperatures.

Environmentalists love "cover crops." These are plants that tolerate cool weather and grow on farm fields after the crops are harvested. They hold the soil in place and are probably the most effective way to keep nutrients in fields, rather than polluting nearby streams.

This frog really lights up a room.

The South American polka dot tree frog initially appears unremarkable. But researchers in Argentina recently got a huge surprise when they shone an ultraviolet light on it, revealing that the creature is actually fluorescent and glows bright blue-green.

Rising drug prices are one of the biggest challenges in health care in the United States. More people are using prescription drugs on a regular basis, and the costs of specialty drugs are rising faster than inflation.

President Donald Trump has promised over and over again to drive down drug prices.

Updated at 4:02 p.m. ET

If there was any doubt over President Trump's views on climate change, those doubts evaporated with the unveiling of his proposed federal budget on Thursday.

The budget would end programs to lower domestic greenhouse gas emissions, slash diplomatic efforts to slow climate change and cut scientific missions to study the climate.

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