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620 posts
Did Asteroids Seed Life?
Early Earth experienced violent asteroid impacts that vaporized oceans and altered the atmosphere, potentially creating conditions necessary for…
The Surprising Usefulness of Insectoid Robots
Scientists are creating microrobots that mimic the abilities of insects, such as swimming, flying, and walking on water,…
Behind the Scenes at the Nobel Prize Ceremony
Periodic Videos recounts their experience attending the 2024 Nobel Prize ceremony in Stockholm, including the stringent rules, grand…
This Cave Is a Musical Instrument
Luray Caverns in Virginia is home to the Great Stalacpipe Organ, a one-of-a-kind lithophone created by mathematician Leland…
What We Know of Spinosaurus (So Far)
Spinosaurus is central to one of paleontology’s greatest debates—was it a swimming predator or a wading hunter? Evidence…
Designing Beasts Made of Corner Store Hardware
Theo Jansen’s Strandbeests are wind-powered “walking skeletons” crafted from basic materials like tape and zip ties. With innovations…
Geometry and Topology Go Hand In Hand
The Inscribed Square Problem, posed by Otto Toeplitz in 1911, asks whether every closed continuous loop contains four…
Hearing What You Can See
Synesthesia, where senses blend to create unique experiences like “tasting” words or “seeing” music, affects about 1 in…
A Major Atlantic Ocean Current Is At Risk of Collapsing. Here’s How We Can Save It.
The Atlantic Meridional Overturning Circulation (AMOC) is a critical ocean current that regulates global weather patterns, particularly temperature…
Research Does Not Yield Instant Results—It Takes Time
Groundbreaking medical advancements, like GLP-1 drugs derived from lizard venom, highlight the importance of pursuing “useless” knowledge. What…