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Research shows women who study engineering do better when mentored by other women. Nitat Termmee/Moment via Getty Images

Only about 1 in 5 engineering degrees go to women

A negative environment dissuades many women engineering students from staying in the field. Can colleges and universities do anything to reverse the trend?
A playground bench is colorfully decorated at the new Sandy Hook Elementary School, which replaced the one torn down after a gunman killed 20 first graders and six educators in 2012. AP Photo/Mark Lennihan

Demolishing schools after a mass shooting reflects humans’ deep-rooted desire for purification rituals

An anthropologist explains the power of purification rituals, such as bringing down a building following a tragic occurrence in it, and why they help reduce our anxieties.
Most plastic products that are clear and strong are made using bisphenol A, or BPA. Beton Studio/iStock via Getty Images

What is BPA and why is it in so many plastic products?

The US Environmental Protection Agency is reexamining the health effects of bisphenol A. A chemist explains why BPA is in plastics and why it’s hard to find a safe replacement.
Pinpointing Elvis Presley’s true persona can depend on when and whom you ask. Don Cravens/Getty Images

Was there anything real about Elvis Presley?

Presley never wrote a memoir. Nor did he keep a diary. His music could have been a window into his inner life, but he didn’t even write his songs.
Many cities, such as New York, returned to hosting big public displays in 2021 after skipping 2020 due to the pandemic. AP Photo/John Minchillo

Yes, fireworks prices are skyrocketing, but there should be plenty of bottle rockets and sparklers for you and your family this Fourth of July

The latest data shows imports of bottle rockets, sparklers and other fireworks at a record pace, even as consumer demand appears likely to wane. That could create opportunities for patient revelers.
The control room of the California Independent System Operator, which manages the flow of electricity on the state’s power grid. Rolf Schulten/ullstein bild via Getty Images

What is curtailment? An electricity market expert explains

Sometimes wind and solar power produce more electricity than the local grid can handle. Better energy storage and transmission could move extra energy to where it’s needed instead of shutting it off.
Many citizen science projects rely on volunteers to collect data in the field. Marko Geber/DigitalVision via Getty Images

Citizen science volunteers are almost entirely white

The homogeneity of citizen science volunteers undercuts the ability of these projects to bring science to underserved communities.

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