SciShow
Does Using Your Phone Really Hurt Your Sleep?
You've probably heard that some types of light, like the kind that comes from your phone or laptop, can be bad for your sleep if you use them too close to bedtime. But let's be real, nighttime is the best time to binge TV, so are we...
SciShow
Why People are Always Fighting Over the Thermostat
Negotiating thermostat settings can be really frustrating, but your officemate isn't trying to freeze you out on purpose. Stefan explains the science behind why people experience temperatures differently. Fun fact: Stefan wears a jacket...
Amoeba Sisters
Characteristics of Life
We chose not to give a numerical value for how many characteristics of life there are, because we do not want to imply that what we are listing must be a specific order, or that it cannot be expanded upon or include exceptions....
SciShow
Growing Lambs in High-Tech Plastic Bags
We're closer than ever to growing life in artificial wombs, and we've learned a bit more about how glucose and protein affect exercise endurance.
SciShow
Fighting the Loneliness of Space Travel
Long months or years spent in space can be isolating, making astronauts susceptible to boredom and depression. Here's a look at some long-term studies we've done here on Earth to figure out what isolation does to people, and how to make...
SciShow
How Do Brine Shrimp Survive In Packaging For Years?
Nearly everyone has some experience with the illustriously branded brine shrimp, but there’s a whole lot more to the creatures’ resilience than what it says on the box.
SciShow
Thank Goodness for Chlamydia(e)
The group of bacteria known as Chlamydiae doesn't do much to endear itself to us since these bacteria can cause a variety of illnesses. But it turns out that we may have Chlamydiae to thank for life as we know it!
SciShow
Spring, Time for Drunk Birds
As spring approaches in the Northern Hemisphere, we anticipate the fluttering butterflies and the capering baby lambs, and we can also expect to see some birds hammered out of their minds in the trees, and perhaps on the ground. In most...
SciShow
Why Can't Kids Just Take Smaller Doses of Adult Meds?
You might have noticed that lots of drugs have special children’s formulas, and you might think that’s because smaller people need smaller doses. But you’d be wrong! Because kids aren’t just tiny adults.
SciShow
These Bats Make Tiny Snow Caves
One might not think that snow could help anything stay warm through a harsh winter, but these tiny bats have found a way to utilize the insulation provided by the snow: they make little forts to wait out the winter.
SciShow
3 Things Your Cat Should Not Be Doing
Cats are known for their curiosity, and as that one saying goes “it killed the cat”. But we can help our cuddly counterparts avoid this sad fate if we watch out for these three everyday things.
SciShow
Why You Can't Really Sweat Out Toxins
The human body has a few built-in methods for getting rid of toxins. Sweating seems like it should be one of them, but it isn't doing as much as you think.
SciShow
Social Interaction and the 'Bliss Molecule'
This week on SciShow News, scientists found that social interaction triggers the production of the “bliss molecule” in mice. Plus, eating sugar is about more than just the calories.
SciShow
Most Metabolism Boosters Are BS
Despite some bold claims, most supplements can’t really "boost" your metabolism, and the actual changes we can make to it are pretty limited.
SciShow
How the Keto Diet Went from Arctic Staple to Bro-Science
The keto diet is a high fat, low carb diet that proponents say is not just great for losing weight, but is good for your brain health, too. Does the science behind the diet back those claims up? We delve into the origin of the keto diet...
TED-Ed
TED-ED: How does the thyroid manage your metabolism? - Emma Bryce
Nestled in the tissues of your neck is a small, unassuming organ that wields enormous power over your body: the thyroid. Emma Bryce explains how the thyroid, like the operations manager in a company, is tasked with making sure that all...
Bozeman Science
Life Requires Free Energy
Paul Andersen describes how free energy is used by organisms to grow, maintain order, and reproduce. A brief discussion of the first and second law of thermodynamics is also included. Disruptions in the amount of free energy can cause...
SciShow
How People Have Evolved to Live in the Clouds
High elevations can be a problem for humans. Since the air is thinner, you get less oxygen with every breath, leading to all kinds of negative side effects. But there are millions of people around the world who spend their whole lives at...
Crash Course
The Excretory System: From Your Heart to the Toilet - CrashCourse Biology
Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee.
SciShow
The Real Reason It's So Hard to Lose Weight
You probably know that losing weight is really hard. But it may not be just because of your cheat day frequency; your body actually fights back to make losing weight harder.
SciShow
Your Bones Do More Than You Think
Bones, you probably have them and they're for more than holding your body upright.
Bozeman Science
Essential Characteristics of Life
Paul Andersen describes three main characteristics of life that are conserved in all organisms on the planet. The universal genetic code, the central dogma of biology, and shared metabolic pathways give us details of the original...
Bozeman Science
Abiogenesis
Paul Andersen describes how life could have formed on our planet through natural processes. The progression from monomers, to polymers, to protocells and finally to cells is described. The Miller-Urey experiment is described in detail as...
Crash Course
Metabolism & Nutrition, part 1: Crash Course A&P
Metabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe. Today we are exploring some of its key parts, including vital nutrients -- such as water, vitamins, minerals,...