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New Discovery Of World's Oldest Stone Tools

Researchers in Kenya uncover tools dated to 3.3 million years ago, long before the first humans, as we know them, walked the Earth.
NPR

Personalizing Cancer Treatment With Genetic Tests Can Be Tricky

Genetic profiling of cancer cells can help guide treatment, but such profiles can be ambiguous. Results would be more accurate if all labs tested normal cells from each patient, too.
NPR

U.S. Predicted To Be Net Energy Exporter In Next Decade; First Time Since 1950s

Citing a boom in natural gas and shifts in demand, the Energy Information Administration says the U.S. could stop being a net energy importer "sometime between 2020 and 2030."
NPR

Some Doctors Still Dismiss Parents' Concerns About Autism

Most children don't get diagnosed with autism until they start school, a study finds, though the signs may be visible much earlier. Earlier diagnosis means more time to get therapy.
NPR

Fun With Physics: Finding The Speed Of Light With Peeps

When your Peeps have gone stale, it's time to donate their marshmallow bodies to science — specifically, for measuring the speed of light.
NPR

The Space Station Gets A Coffee Bar

Italy is sending a high-tech espresso machine to the International Space Station. And NASA is worried it might be too popular.
NPR

SpaceX Launches Successfully, But Rocket Doesn't Survive

The Dragon spacecraft heads to the International Space Station on a routine resupply mission. What wasn't routine was the attempt to land the spent rocket on a floating barge in the Atlantic Ocean.
NPR

No Rest For Your Sleeping Brain

No wonder the brain needs so much energy. The same coordinated activity that allows you to retrieve a specific memory, like what you had for breakfast, continues at rest and even during sleep.
NPR

If Walls Could Talk: What Lead Is Doing To Our Students

A new study says Massachusetts' aggressive effort to lower lead exposure has also improved student performance.
NPR

Scientists Release Largest Map Yet Of Dark Matter In The Cosmos

Researchers from the Dark Energy Survey used data captured by one of the world's most powerful digital cameras to put together the largest contiguous map of dark matter created.

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