Australia's Great Barrier Reef is the largest coral reef system in the world and the only living structure visible from space. Although ecosystem managers in Australia have worked hard to preserve the... continue reading
posted by Mordhaus 6 years 11 months 2 weeks ago • 541 views • 8:11Videos (40) | Sift Talk (0) | Blogs (0) | Comments (928) |
What happens if your car runs out of engine oil?
posted by Mordhaus 7 years 1 week ago • 26 views • 4:52I built this pottery kiln and some pottery from termite mound clay to test an alternative clay source to my usual one from the creek bank. I started by making a large grate from ordinary clay. It was just... continue reading
posted by Mordhaus 7 years 1 month 1 week ago • 419 views • 11:27YouTube description: Foraminifera – tiny, single-celled marine life forms – build gorgeous houses that record how much ice there is on the planet. Special thanks to Professor Lee Kump of Penn... continue reading
posted by Aard Vark (oritteropo) 7 years 4 months 3 weeks ago • 489 views • 2:51YouTube: The crazy story of the arbitrary temperature scale used in a tiny minority of countries.
posted by PlayhousePals 7 years 5 months 1 week ago • 665 views • 5:24YouTube: To tell you the truth, using SEEK camera is like putting on glasses for someone with poor eyesight! You just see so much of new things.
posted by PlayhousePals 7 years 6 months 2 weeks ago • 12 views • 5:40YouTube: At some point, you’ve probably learned about the five senses: sight, sound, smell, taste, and touch. However, the classic list doesn't account for all the sensations we experience and use to... continue reading
posted by PlayhousePals 7 years 7 months 2 weeks ago • 571 views • 4:34I invented the Bow Blower, a combination of the bow drill and forge blower to make a device that can force air into a fire while being easy to construct from commonly occurring natural materials using... continue reading
posted by Mordhaus 7 years 9 months 1 week ago • 1,388 views • 4:32Coober Pedy is a small desert town in Australia where the entire population lives in underground homes. With outside temperatures hovering over 100 degrees, residents made permanent homes in the cooler... continue reading
posted by Mordhaus 7 years 9 months 1 week ago • 589 views • 2:11YouTube description: I made a batch of charcoal using the mound method then stored it in baskets for later use. Charcoal is a fuel that burns hotter than the wood it's made from. This is because the... continue reading
posted by Aard Vark (oritteropo) 8 years 2 months 2 weeks ago • 1,003 views • 5:31YouTube Description: And how it got its name. Subscribe to our channel! http://goo.gl/0bsAjO El Niño is a weather phenomenon that occurs irregularly in the eastern tropical Pacific every... continue reading
posted by Aard Vark (oritteropo) 8 years 4 months 2 weeks ago • 1,145 views • 2:59Protects Your Body 1:25 Senses the Outside World 1:42 Helps Excrete Waste 2:17 Stores Blood 2:43 Regulates Temperature 2:59 Makes Vitamin D 5:18 Indicates Signs of Poor Health 3:55 How Your Hair... continue reading
posted by RedSky 9 years 2 months 2 weeks ago • 11 views • 9:57Stay curious!
posted by PlayhousePals 9 years 3 months 2 weeks ago • 314 views • 5:02The honeybees swarm the wasp intruder and increase their body temperatures, roasting the wasp alive.
posted by nock 9 years 6 months 3 weeks ago • 662 views • 3:43Common misconceptions about climate change. References below: For CO2, sea levels, Arctic sea ice, Antarctic and Greenland land ice: http://climate.nasa.gov Satellite data shows that ground-based... continue reading
posted by cricket 9 years 7 months 2 weeks ago • 868 views • 6:50Jiggly bits
posted by Mordhaus 1 decade 11 months 1 week ago • 1,400 views • 2:34An explanation of what temperature is as it relates to the energy of a molecule, and the process of how physicists use lasers to cool atoms of gas.
posted by reiwan 1 decade 4 years 5 months 2 weeks ago • 3,506 views