Nature's fortress: How cacti keep water in and predators out - Lucas C. Majure

Let's crowdsource the world's goals - Jamie Drummond

In 2000, the UN laid out 8 goals to make the world better by reducing poverty and disease -- with a deadline of 2015. As that deadline approaches, Jamie Drummond of ONE.org runs down the surprising successes of the 8 Millennium Development Goals, and suggests a crowdsourced reboot for the next 15 years. Talk by Jamie Drummond. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

Just add water: The garden insect that can turn into a plague - Jeffrey A. Lockwood

Discover what causes desert locusts to transform into crop-consuming plagues and how they directly endanger humanity. -- A ravenous swarm stretches as far as the eye can see. It has no leader or strategic plan; its only goals are to eat, breed, and move on. These are desert locusts— infamous for their capacity for destruction. But most of the time desert locusts are no more dangerous than grasshoppers. So what does it take to turn these harmless insects into a crop-consuming plague? Jeffrey A. Lockwood investigates. Lesson by Jeffrey A. Lockwood, directed by Franz Palomares. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon [http://bit.ly/TEDEdPatreon] Check out our merch: http://bit.ly/TEDEDShop [http://bit.ly/TEDEDShop] ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter [http://bit.ly/TEDEdNewsletter] Follow us on Facebook: http://bit.ly/TEDEdFacebook [http://bit.ly/TEDEdFacebook] Find us on Twitter: http://bit.ly/TEDEdTwitter [http://bit.ly/TEDEdTwitter] Peep us on Instagram: http://bit.ly/TEDEdInstagram [http://bit.ly/TEDEdInstagram] ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/are-locust-plagues-unstoppable-jeffrey-a-lockwood [https://ed.ted.com/lessons/are-locust-plagues-unstoppable-jeffrey-a-lockwood] Dig deeper with additional resources: https://ed.ted.com/lessons/are-locust-plagues-unstoppable-jeffrey-a-lockwood#digdeeper [https://ed.ted.com/lessons/are-locust-plagues-unstoppable-jeffrey-a-lockwood#digdeeper] ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Tyron Jung, Carolyn Corwin, Carsten Tobehn, Katie Dean, Ezgi Yersu, Gerald Onyango, alessandra tasso, Côme Vincent, Doreen Reynolds-Consolati, Manognya Chakrapani, Ayala Ron, Samantha Chow, Eunsun Kim, Phyllis Dubrow, Ophelia Gibson Best, Paul Schneider, Joichiro Yamada, Henrique Cassús, Lyn-z Schulte, Elaine Fitzpatrick, Karthik Cherala, Clarence E. Harper Jr., Vignan Velivela, Ana Maria, Exal Enrique Cisneros Tuch, Tejas Dc, Khalifa Alhulail, Martin Stephen, Dan Paterniti, Jose Henrique Leopoldo e Silva, Elnathan Joshua Bangayan, Jayant Sahewal, Mandeep Singh, Abhijit Kiran Valluri, Kris Siverhus, Devin Harris, Pavel Zalevskiy, Karen Goepen-Wee, Filip Dabrowski, Barbara Smalley, Megan Douglas, Tim Leistikow, Ka-Hei Law, Hiroshi Uchiyama, Mark Morris, Misaki Sato, EdoKun, Boytsov Ilya, SookKwan Loong and Bev Millar. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

If superpowers were real: Super strength - Joy Lin

View full lesson: http://ed.ted.com/lessons/if-superpowers-were-real-super-strength-joy-lin [http://ed.ted.com/lessons/if-superpowers-were-real-super-strength-joy-lin] What if super strength wasn't just the stuff of epic comic book stories? Is it scientifically possible to be super strong? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere mortals. Lesson by Joy Lin, animation by Cognitive Media. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

The sleep disorder you might not know you have - Alayna Vaughan

Dig into the science of what causes snoring, and how chronic snoring can be a sign of sleep disorders such as sleep apnea. -- A leather mask that clamps the mouth shut. A cannonball sewn into a soldier’s uniform. A machine that delivers sudden electrical pulses. These were all treatments for a problem that has haunted humanity for millennia: snoring. It might seem harmless, but snoring can be a sign of something more dangerous. So, what exactly causes snoring? Alayna Vaughan digs into the troublesome sleep disorder. Lesson by Alayna Vaughan, directed by Rémi Cans, Boniato Studio. Image Credits: BruceBlaus Carl Holderness, GB Colourcreatype, ID Gabriella Rey, CO Palukx, TH Rice University Sarahkayb Sarah Marsh Tony Gines, US Wuppdidu Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon [http://bit.ly/TEDEdPatreon] Check out our merch: http://bit.ly/TEDEDShop [http://bit.ly/TEDEDShop] ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter [http://bit.ly/TEDEdNewsletter] Follow us on Facebook: http://bit.ly/TEDEdFacebook [http://bit.ly/TEDEdFacebook] Find us on Twitter: http://bit.ly/TEDEdTwitter [http://bit.ly/TEDEdTwitter] Peep us on Instagram: http://bit.ly/TEDEdInstagram [http://bit.ly/TEDEdInstagram] ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/why-do-some-people-snore-so-loudly-alayna-vaughan [https://ed.ted.com/lessons/why-do-some-people-snore-so-loudly-alayna-vaughan] Dig deeper with additional resources: https://ed.ted.com/lessons/why-do-some-people-snore-so-loudly-alayna-vaughan#digdeeper [https://ed.ted.com/lessons/why-do-some-people-snore-so-loudly-alayna-vaughan#digdeeper] Animator's website: https://www.boniato.studio [https://www.boniato.studio] ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Lex Azevedo, Noa Shore, Michael Aquilina, Jason A Saslow, Dawn Jordan, Prasanth Mathialagan, Samuel Doerle, David Rosario, Dominik Kugelmann- they-them, Siamak H, Ryohky Araya, Mayank Kaul, Christophe Dessalles, Heather Slater, Sandra Tersluisen, Zhexi Shan, Bárbara Nazaré, Andrea Feliz, Victor E Karhel, Sydney Evans, Latora Slydell, Noel Situ, emily lam, Sid, Kent Logan, Alexandra Panzer, John Hellmann, Poompak Meephian, Chuck Wofford, Daniel Erickson, frank goto, Jayson Hauschild, J D Wallace, Marq Short, Chen Jun Xiang, Adam Pagan, Paul Schultz, Behzad Farhanieh, Anders Sørheim, Wes Winn, Conder Shou, BrushReads, Matt Kennedy, Jonah Dobbs, ntiger, Noname, Hansan Hu, Cameron Burkle, Dhanwanth Varadhan, David D and Zuko Gameplays. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

If superpowers were real: Super speed - Joy Lin

View full lesson: http://ed.ted.com/lessons/if-superpowers-were-real-super-speed-joy-lin [http://ed.ted.com/lessons/if-superpowers-were-real-super-speed-joy-lin] What if super speed wasn't just the stuff of epic comic book stories? Is it scientifically possible to be super speedy? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere mortals. Lesson by Joy Lin, animation by Cognitive Media. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]