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Steve Toutonghi's new novel imagines an America where people can fuse their psyches together and share a single body — but the story's compelling urgency is sometimes buried in exposition and theory.

Gregg Gonsalves dropped out of college, drifted around, became a health-care activist and epidemiology professor — and is now the recipient of a 'genius grant.'

Dehydration has long been known to slow physical performance. Now there's evidence that too little water can hurt cognitive performance, too, making complex thinking tasks harder.

Dehydration has long been known to slow physical performance. Now there's evidence that too little water can hurt cognitive performance, too, making complex thinking tasks harder.

Sexual assault is still a highly stigmatized form of trauma, and that can complicate recovery for years, psychologists find. PTSD, depression and anxiety aren't unusual, but treatment can help.

More than a third of patients with cancer of the esophagus responded to experimental treatment in China with the gene-editing technique CRISPR. Several CRISPR studies are underway there.

A federal program meant to encourage young teachers has, instead, saddled thousands of them with unexpected debts. "I was in shock," says Mikayla Rhone, a teacher in Nebraska.

Advances in DNA and other forensics now make identification of Americans who died in the Korean War highly likely. The Pentagon is exhuming hundreds of remains in a Honolulu military cemetery.

Some top researchers now say that climate change has led to stronger hurricanes. Now, there's a push to expand the wind scale to include a Category 6 for winds as powerful as those seen last year.

Plus a new Education Department employee opposes regulation in our weekly roundup of learning-related news.