Regulatory T cells (red) interact with other immune cells (blue) and modulate immune responses. National Institute of Allergy and Infectious Diseases/NIH via Flickr Aimee Pugh Bernard, University of Colorado Anschutz Medical Campus Every day, your immune system performs a delicate balancing act, defending you from thousands of pathogens that cause disease while sparing your body’s […]
The Sun occasionally ejects large amounts of energy and particles that can smash into Earth. NASA/GSFC/SDO via WikimediaCommons Yeimy J. Rivera, Smithsonian Institution; Rosa Tatiana Niembro Hernández, Smithsonian Institution, and Samuel Badman, Smithsonian Institution Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, […]
Think you know what the Moon looks like? Think again. From stars “shining” inside the crescent to moons that appear at the wrong time of day, most movies, books, and even kids’ drawings get it wrong. In this fascinating video, MinutePhysics breaks down the five most common Moon mistakes and shows how you can actually […]
That spoonful of raw cookie dough might look innocent, but lurking inside could be a microscopic saboteur: Salmonella. This video traces the 2010 egg outbreak that sickened thousands and landed egg execs in jail, then takes a look at how this crafty bacterium survives farms, food processing, and even your stomach acid to make people […]
Someday, the last star will flicker out, galaxies will dissolve, and black holes will poof into nothingness. The universe will be one big cosmic “meh.” But what if that doesn’t have to be the end? Enter the Noxans, a hypothetical civilization so advanced they make us look like cave people. Their plan: build cosmic batteries, […]
This animated short takes us through the evolution of bicycle engineering: from “bone shakers” that rattled your soul, to the absurdly tall penny farthings, all the way to the gears and chains that finally made biking less of a circus act. Along the way, you’ll see how math and mechanics turned two wheels and some […]
Why do the most advanced computers on Earth look like something you’d see hanging above a steampunk vampire’s dining table? Because that’s quantum computing, baby. In this SciShow video, Stefan Chin explains why quantum prototypes aren’t just tiny chips: they hang inside giant, gold-plated refrigerators colder than deep space, just to keep the qubits from […]
Autism diagnoses have been rising, but what’s really behind it? Some headlines claim Tylenol use during pregnancy causes autism, but research shows the full story is far more complex. In this video, ASAPScience breaks down the latest studies and explains why focusing on a single cause, like Tylenol, misses the bigger picture. Genetics, parental age, […]