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Two recent reports on a Stanford Noble Laureate's efforts to change how undergraduate science education struck a nerve with many of you.

It's hard to check for skin changes on the scalp, and that's one body part that hairdressers see every day. Researchers found that they improved their ability to spot scary stuff after brief training.

It's easy to think that artificial sweeteners are a health win. But a review of research finds that there's no evidence they help people lose weight, and they may be associated with other problems.

Warming oceans are hurting the shellfish industry. Scientists are hoping that seagrasses, like seaweed, can help soak up extra carbon in the water.

The time-honored elixir gets mixed reviews from doctors and, depending on factors such as caffeine or acids, might even make symptoms worse. Another complication: The scientific research is murky.

San Diego Bay is home to a thriving sea turtle population, but scientists worry the animals are increasingly paying the price for living close to a large metropolitan area.

They couldn't figure out why so many relatives got Alzheimer's in their 40s. Then they found out they share the rare Jalisco mutation. Their tragedy is helping scientists untangle the disease.

The ousting of a powerful Hollywood producer over multiple abuse allegations prompted women and other assault survivors to proclaim a simple idea: that sexual abuse is common in their lives.

The same guidance principle that governs how missiles intercept moving targets also describes how the falcons, which are known to dive at 200 mph or more, plummet to catch their prey.

A woman with foot pain was floored by the high cost of titanium screws used in her surgery. "Unless the metal [was] mined on an asteroid, I do not know why it should cost that amount," she said.