Nobel laureate Shimon Sakaguchi reflects on the role of regulatory T cells in peripheral immune tolerance and how the cells ...

Texas lawmakers want to move the Smithsonian’s retired space shuttle to Houston. It’s “a vanity project that is apt to ...

Scientists have mapped microbe populations in human guts, deep-sea ecosystems and even clouds. Yet the microbial communities ...

To celebrate Scientific American ’s 180th anniversary, we’re publishing jigsaw puzzles to show off some of our most ...

Where every known method of divination seemed to fail, a group of researchers at Bocconi University in Milan found a hint in ...

You and I are sitting at a table with a pile of 50 quarters and an empty piggy bank. We will take turns placing anywhere from ...

Surgeons in China transplanted part of pig liver into a patient with an incurable cancerous tumor, and it functioned for more ...

If you want to know where the best leaf peeping will be this year, climate science and weather can provide the answer ...

In addition, the team discovered that plasma total tau—not just the modified pTau217 form—was elevated in newborns. This is ...

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

Today, in a cabinet meeting, U.S. secretary of health and human services Robert F. Kennedy, Jr., claimed that there is a link ...