5 Ways Humans Have Changed The Earth
We are approaching a whole new era! . . .or at least a new epoch. Michael Aranda explains how humans are leaving their mark on the Geologic Time Scale.
Are Ancient Grains Really Better For You?
Ancient grains like Spelt, Emmer, and Einkorn are making a comeback, but are they better for you than modern wheats? The answer is, as usual, not a simple ‘yes’ or ‘no’.
Do animals have empathy?
Empathy is the ability to understand and share feelings. Only a handful of species have this trait, including humans. A recent scientific study might have uncovered evidence that tells us why we feel this emotion — and it’s all thanks to a rodent.
A new 9th planet for the solar system?
Observations of the orbits of six small objects have led researchers to propose a very large 9th planet–100s of astronomical units (AU) away from the sun. Far enough away that this Neptune-sized planet takes ~15,000 years to complete one orbit. Read more: http://scim.ag/1Ownvti
Neil deGrasse Tyson and futurist Ray Kurzweil on what will happen to our brains and everything else
Astrophysicist and StarTalk Radio host Neil deGrasse Tyson sits down with futurist and author Ray Kurzweil for the first time. Produced by Kamelia Angelova, Kevin Reilly, and Darren Weaver and by StarTalk Radio, a Curved Light Production, executive producer Helen Matsos, and producer Laura Berland.
Why Does Alcohol Burn When You Drink It?
Why does alcohol cause that burning sensation on its way down?
3 Misconceptions About Juice Cleanses
Juice cleanses or fasts are thought of as a popular way to detox and reboot the digestive system. But, like most fad diets, juice cleanses might not be doing what you think they are.
Food, Inc. – Documental Completo: Planeta Libre ONG
Titulo: Food, Inc. Año: 2008 Direccion: Robert Kenner
Animals That Do Drugs
Turns out humans aren’t the only animals that can medicate themselves – many other animals have found ways to deal with illness by using natural remedies. Hank will tell you about some of the most interesting methods animals have found to heal themselves, and maybe get a little crazy in the process.
Why Do Cats Purr?
The smaller members of the felid family can purr, but why? Hank takes on this most adorable of life’s mysteries in todays episode of SciShow.
Fed Up Los Sucios Secretos de la Industria de la Alimentación Documental
Documental sobre la industria de la alimentación y la adicción al azúcar.
A Simple Explanation for What Happens When a Person Holds Their Pee Too Long
Can holding your pee be bad for you? Learn about your bladder in this Quick Question with Michael Aranda!
Space Oddity
Rest in peace, Starman. A revised version of David Bowie’s Space Oddity, recorded by Commander Chris Hadfield on board the International Space Station. Composition: “SPACE ODDITY” Written by David Bowie Published by Onward Music Limited
Ants create a lifeboat in the Amazon jungle – BBC wildlife
A flood hits a fire ant colony in the Amazon jungle. An amazing chance to see footage on how the species has adapted to water to protect their queen. From the BBC.