It seems like nutrition studies contradict a lot, and it’s practically impossible to get a straight answer on whether a given food or supplement is good for you. But why? Find out in this episode of SciShow! [SciShow]
Bill Nye uses the power of Twitter to answer even more science questions. How does the internet work? What’s the difference between a meteor, meteorite, and an asteroid? Does anyone really know how gravity works? Is water wet? Bill answers all these questions and more! [Wired]
Infectious diseases have had some pretty major impacts on human history… and that’s putting it mildly. Here are 6 diseases that shaped human history. [SciShow]
Scientists investigating bacteria that can eat plastic have accidentally made the relevant enzyme even more effective. It could significantly improve the options for recycling plastic bottles. Such bottles are commonly made of polyethylene terephthalate (PET) in which the bond between molecules is particularly strong. That’s a big benefit when the material is being used and […]
The same chemistry that makes plastic tough, light and flexible also makes it nearly impossible to get rid of, because it’s hard to break those resilient chemical bonds. [MinuteEarth]
In ancient Greece, the best-known remedy for a long-standing headache was to drill a small hole in the skull to drain supposedly infected blood. Fortunately, doctors today don’t resort to power tools to cure headaches, but we still have a lot to learn about this ancient ailment. Dan Kwartler shares what we know (and don’t […]
Did you know that milk is just filtered blood that female mammals create to provide vital nutrients to their babies? And yes, that even includes cow milk, the one we all buy at the grocery store. The cocktail is composed of water, sugar, fat, and protein, that are extracted from the mom’s blood by her […]
Does your heart rate have an upper limit and could you ever reach it? Find out in this episode of SciShow. [SciShow]
Take a virtual tour of the Moon in all-new 4K resolution, thanks to data provided by NASA’s Lunar Reconnaissance Orbiter spacecraft. As the visualization moves around the near side, far side, north and south poles, we highlight interesting features, sites, and information gathered on the lunar terrain. [NASA Goddard]
You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they’re not sure whether you qualify, so they decide to give you all a test. Can you solve this hat riddle? Alex Gendler shows how. […]