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The Smithsonian celebrates the 50th anniversary of the Apollo 11 launch by projecting a 363-foot visual rocket.

For Apollo 11's 50th Anniversary, The Washington Monument Becomes A Rocket

Fifty years after the Saturn V rocket carried the astronauts to the moon, the Smithsonian National Air and Space Museum is honoring the historic mission with a giant projection.

Aedes aegypti mosquitoes infected with the Wolbachia bacterium, which appears to block transmission of dengue fever and other mosquito-borne viruses.

Infecting Mosquitoes With Bacteria Could Have A Big Payoff

Scientists are trying to flip the script on control of mosquitoes in an effort to combat dengue fever. Instead of trying to wipe them out, they're infecting them with bacteria.

During deep sleep, waves of cerebrospinal fluid (blue) coincide with temporary decreases in blood flow (red). Less blood in the brain means more room for the fluid to carry away toxins, including those associated with Alzheimer's disease.

How Deep Sleep May Help The Brain Clear Alzheimer's Toxins

A study of 11 sleeping brains sheds some light on the mysterious link between sleep problems and Alzheimer's disease. The flow of cerebrospinal fluid through the brain appears to be the key.

Tigers (Panthera tigris) are the biggest of all the cats - from the giant Siberian tigers that roam the frozen boreal forest of Russia, to the secretive swamp tigers of the Indian Sundarbans that bathe in seawater and patrol muddy shores. In the early 20th century, 100,000 tigers reigned across Asia and Europe, but today there are fewer than 4,000 in the wild.

SUPER CATS On NATURE

Wednesdays, July 28 - Aug. 11, 2021 at 8 p.m. on KPBS TV + Sundays, Aug. 1 - 15 at 8 p.m. on KPBS 2 / On Demand

Kids with overweight or obesity may suffer long-term effects when they're teased or bullied, often gaining more weight later, a new study finds.

Teasing Kids About Their Weight May Make Them Gain More

A long-term study finds that children who are bullied or shamed for their weight may gain more weight over time than peers who aren't teased.

A pilot from the Naval Air Weapons Station, China Lake, banks his F/A-18E Super Hornet through the nicknamed Star Wars Canyon in Death Valley National Park, Calif.

U.S. Military Jet Crashes In Death Valley National Park, Injuring 7 On The Ground

The crash occurred near a viewing area where park visitors watch pilots fly through a chasm known as "Star Wars Canyon."

The winners of the 2019 Nobel Prize in physiology or medicine are Gregg Semenza of the U.S., Peter Ratcliffe of Britain and William Kaelin of the U.S. They're seen here on a screen during a news conference at the Karolinska Institute in Stockholm.

Trio Wins Nobel Prize In Physiology Or Medicine For Work On Cells And Oxygen

The three physicians "found the molecular switch that regulates how our cells adapt when oxygen levels drop," a member of the Nobel Committee said.

There was an uproar in 2018 when a scientist in China, He Jiankui, announced that he had successfully used CRISPR to edit the genes of twin girls when they were embryos. Prominent scientists hope to stop further attempts at germline editing, at least for now.

Call For Global Moratorium On Creating Gene-Edited Babies

An international group of 18 prominent scientists and bioethicists is calling for countries around the world to impose a moratorium on the creation of babies whose genes have been altered in the lab.

To help protect the planet and promote good health, people should eat less than 1 ounce of red meat a day and limit poultry and milk, too. That's according to a new report from some of the top names in nutrition science. People should instead consume more nuts, fruits and vegetables, legumes, and whole grains, the report says. The strict recommended limits on meat are getting pushback.

This Diet Is Better For the Planet. But Is It Better For You, Too?

Less than a half-ounce of red meat per day: That's how much a new report says we should eat to meet nutritional needs and help save the planet. Americans on average now eat four to six times as much.

A TV report in South Korea uses file footage of North Korean leader Kim Jong Un, who supervised the test-firing of a "new-type tactical guided weapon" on Wednesday.

North Korea Announces Testing Of New 'Tactical Guided Weapon'

The country's official newspaper reported leader Kim Jong Un supervised the test and is continuing to upgrade his country's military. North Korea also demanded Mike Pompeo not participate in talks.

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