Semaglutides, which belong to a class of drugs called GLP-1s, are prescribed for weight loss in combination with diet and exercise because they trigger the release of the appetite-suppressing hormone incretin.

Abraham Lincoln had to sneak into Washington, DC, in disguise for his 1861 inauguration after a detective uncovered a plot to assassinate him in Baltimore.

If the moon were less than one-twelfth its current distance from Earth, the planet's tidal forces would overcome the moon's internal gravity, tearing it apart and forming a ring of debris.

Explore the history of American restaurants through an archive of menus dating back to the early 1800s.

'Tulip mania,' the 1630s Dutch craze where rare bulbs were briefly traded like luxury assets, may have been the first financial bubble—and it still shapes markets today.

Watch Bruce Springsteen's 1985 performance of Woody Guthrie's 'This Land Is Your Land,' which he calls 'the greatest song ever written about America.'

Watch a two-year time-lapse of a pinecone seed transforming into a pine tree.

Explore an interactive forecast of the future of the universe, from the return of Halley's Comet to the last light in the cosmos.

Lake Sørvágsvatn sits about 32 meters (105 feet) above sea level, but the taller surrounding cliffs create an optical illusion that makes it appear to float much higher above the ocean.

George Lucas used Joseph Campbell's 'hero's journey,' a narrative structure that encompasses the common characteristics of multiple cultures' mythologies, to revise 'Star Wars.'

If a source of music traveled past someone at twice the speed of sound, assuming sufficiently sensitive hearing and powerful equipment, they would hear the music backward.

Sea stars are invertebrates—they lack a backbone—and while most exhibit pentametric radial symmetry due to having five arms radiating from a central disk, some can possess more than 40.

Peek into the love lives of thousands of strangers whom Stanford University researchers have been tracking since 2017 on this interactive page.

On planets in systems with two stars, such as the fictional Tatooine from 'Star Wars,' observers would see overlapping rainbows and double rainbows.

Humans tend to imagine aliens as humanlike, but that's probably unlikely. Three different hypothetical planets show how aliens' bodies could take many forms.

This interactive website features nearly 40,000 photos from Wikipedia for you to create visual mosaics with.

Listen to audio clips from Hoover, a harbor seal named after its insatiable appetite, who learned to say English phrases such as 'hello there' and 'come over here.'

Examine this captivating animation 'building' a human—illustrating the roughly 40 weeks of fetal development.

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

Researchers generally group gut bacteria into six different categories, with varying amounts of these microbes residing in different parts of the digestive tract.

Robert Smalls escaped slavery by piloting a stolen Confederate ship to freedom, then became an influential Black political leader during Reconstruction.

The final shots of the Civil War were fired in the Arctic over 2 months after the South's surrender.

Explore how the most commonly used words in the English language have changed from the 1950s to 2023.

As part of the up to 15 pounds of seafood they consume daily, sea otters eat urchins that feed on kelp forests—sources of shelter and food to over 800 species—thereby making the marine mammal a keystone species.

Male pattern baldness accounts for more than 95% of hair loss in men and is characterized by thinning hair, hair loss, and a receding hairline.

Find out how important you are to AI tools when they generate text responses with this tool, which estimates the weights of people's names.

Pregnancy makes someone more attractive to the mosquito species that transmits malaria.

You may be better at spotting a lie when listening to a speaker's voice inflections rather than watching for facial and body cues.

The world's largest waterfall is in the ocean and is more than three times the height of Angel Falls, the largest waterfall on land.

Cats have a mutation that prevents them from tasting sweetness, and goldfish rank among the world's supertasters.

See a 3D reconstruction of Tenochtitlan, the Aztec capital

The collapse of gas bubbles in the joint synovial fluid causes 'cracking' knuckles.

Play the role of a student as you try to navigate college and remain debt-free.

Hear 50 years of iconic hip-hop samples, the genre's foundational looped tracks.

Watch a visualization of what it would look like to move along Earth's surface as fast as the International Space Station, or about 23 times the speed of sound.

Explore 3D models of some of the most dangerous viruses, allowing us to understand these and other pathogens in new ways.

Check out some of the best books that can be read in a single day, with titles from Han Kang, Denis Johnson, Muriel Spark, and more.

Watch President John F. Kennedy's speech on going to the moon

Experience a century of America's healthcare advances with this medical visualization, tracing a sampling of healthcare innovations from head to toe.