Health & Science

Science news

Copyright 2016 NPR. To see more, visit NPR.

Longtime Couples Get In Sync, In Sickness And In Health

9 hours ago

We think of aging as something we do alone, the changes unfolding according to each person's own traits and experiences. But researchers are learning that as we age in relationships, we change biologically to become more like our partners than we were in the beginning.

A massive space shuttle fuel tank is winding its way through the streets of Los Angeles Saturday, on a 16-mile trek heading to the California Science Center.

It's set to be displayed with the space shuttle Endeavor. The tank, which was never used in a mission, is the "last flight-qualified space shuttle external tank in existence," according to the science center.

Solar Impulse 2, the experimental plane attempting to circumnavigate the world using only the sun's power, has taken off from Tulsa on the latest leg of its journey.

The team says the flight to Dayton, Ohio — the 12th stage of the journey around the globe — is expected to take 18 hours, landing at approximately 11p.m. local time.

"It's up to you," said a 1945 public service announced aimed at Americans. Find "one of man's worst enemies" and "destroy their foxholes."

The video came from the Office of Malaria Control in War Areas (now known as the Centers for Disease Control and Prevention). And it was talking about a particular species of mosquito, Aedes aegypti — the very same mosquito in the news now. Back then, public health officials were mostly worried about dengue and yellow fevers.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

A new label on some of the steaks in your grocery store highlights a production process you may never have heard of: mechanical tenderizing.

This means the beef has been punctured with blades or needles to break down the muscle fibers and make it easier to chew. But it also means the meat has a greater chance of being contaminated and making you sick.

The labels are a requirement from the U.S. Department of Agriculture that went into effect this week.

Doctors Without Borders says it is suspending its work in areas the Central African Republic after gunmen ambushed a convoy and killed one of the aid group's drivers.

The attack near the border with Chad is one of many recent attacks on the group's staff members, highlighting the risks they are exposed to while treating patients in many of the world's most dangerous conflict zones.

The World Humanitarian Summit begins this Monday in Istanbul. But one prominent group won't be in attendance. Doctors Without Borders, also known as Medecins Sans Frontieres, withdrew from its role in the summit in early May, after 18 months of active involvement in preparations. The group's main reason for pulling out was that governments around the world won't be bound to any initiatives put forth.

House and Senate negotiators have agreed on a plan to update a 40-year-old law regulating the safety of chemicals.

The new, redesigned "Nutrition Facts" label is coming. The Food and Drug Administration has announced that the new label will be required on most packaged food by July 2018.

Over 150 pregnant women in the United States appear to have been infected with Zika virus. That's in addition to more than 120 women affected by Zika in U.S. territories, mainly Puerto Rico.

Those are the latest figures from the Centers for Disease Control and Prevention in Atlanta, which has been keeping track of all pregnant women in the U.S. and its territories who have lab tests suggestive of Zika virus infections.

Pages