How to Train a Bumblebee: Scientists Study Insect Intelligence | National Geographic

Bumblebees can transmit learned skills to each other, a new study shows.
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Bumblebees can not only learn to pull a string to obtain a reward through structured training, but they can also transmit this skill socially. Animal behavior researcher Lars Chittka and colleagues used a method commonly applied to birds and mammals. Food, in this case sugar water, is available to an animal—if it can get at it. Through increasingly challenging setups, selected bumblebees eventually developed the consistent practice of pulling a string to get at the prize. But once one bee was trained, others could then learn just by watching and interacting with a more experienced peer.

Read “How Bees Teach Each Other to Solve Problems” from National Geographic News.
http://news.nationalgeographic.com/2016/10/bees-learn-by-watching-each-other-bumblebees/

How to Train a Bumblebee: Scientists Study Insect Intelligence | National Geographic

National Geographic
https://www.youtube.com/natgeo

What’s in Dry-Erase Markers? | Ingredients With George Zaidan (Episode 10)

Dry-erase markers have no ingredient list! What are we to do? (And how is dry-erase ink erasable?)
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About Ingredients:
Join MIT-trained chemist and science educator George Zaidan as he tries to recreate everyday household products like toothpaste, lipstick, or shaving cream using only natural ingredients… and no recipe! He’ll have to decode long lists of intimidating chemical names, figure out what they all do, try and find natural substitutes, and then cook up the do-it-yourself versions in his chemistry lab (kitchen). While George may or may not succeed, we’ll all learn something new and surprising about the products we take for granted every day.

Find George Zaidan on
Twitter: http://bit.ly/GeorgeZaidanTwitter
CNBC: http://bit.ly/MakeMeAMillionaireInventor

About National Geographic:
National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what’s possible.

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Copyright 2016 Free Energy Productions LLC. Produced in partnership with National Geographic.

Credits:
Special thanks to Bethany Murray
Editor: Daniel Carbone
Graphics and Animations: Per Hoel
Illustrator: Brett Paci
Overlays: Ceri Riley
Director of Photography: Adam Morrell and Emily Wathen
Theme Music: Pickup Stix
Additional Music: Corncob, Faster Does It, Fluffing a Duck, Vibe Ace (Kevin MacLeod)
Created and Executive Produced by: George Zaidan and Elizabeth Choe

For National Geographic:
Vice President, Digital Video: James Williams
Executive Producer: Danielle Steinberg
Producer: Will Halicks
Associate Producer: Milaena Hamilton
Associate Producer: Lindsay Benson
Special thanks to Stephanie Atlas, Lisa Covi, Dan Steinmetz, Rebekah Barlas, Nicola Overstreet, Anna Kukelhaus, Kelsey Taylor, Gabe Bullard, Becky Little, Todd Hermann, Teresa Tate, Brett Weisband, Liane DiStefano

Sources:
http://www.crcnetbase.com/doi/abs/10.1201/9780203912225.ch21
http://www.crcnetbase.com/doi/abs/10.1201/9781420044058.ch1
http://onlinelibrary.wiley.com/doi/10.1002/14356007.a09_037/abstract
http://onlinelibrary.wiley.com/doi/10.1002/14356007.a23_073/abstract
http://onlinelibrary.wiley.com/doi/10.1002/14356007.a23_089/abstract
http://onlinelibrary.wiley.com/book/10.1002/0471238961
http://www.ecfr.gov/cgi-bin/retrieveECFR?gp=&SID=22e2906b5f173b6cb41f38273759f88b&mc=true&n=sp29.6.1910.z&r=SUBPART&ty=HTML#se29.6.1910_11200
http://www.madsci.org/posts/archives/2011-05/1306520931.Ch.r.html
U.S. patents 3834823, 4256494
MSDS: dry erase markers

What’s in Dry-Erase Markers? | Ingredients With George Zaidan (Episode 10)

National Geographic
https://www.youtube.com/natgeo

Forest Flyover with Gisele | Years of Living Dangerously

In Brazil, Gisele Bündchen gets a bird’s-eye view of the rainforest with Greenpeace activist Paulo Adario. ➡ Subscribe: http://bit.ly/NatGeoSubscribe
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About Years of Living Dangerously:
In this groundbreaking event series, celebrity correspondents bring us stories on those affected by, and seeking solutions to, climate change – from locations shockingly close to home. Covering issues like severe hurricanes, droughts, and the increasing extinction rate of wildlife, it’s a gritty look at not only how we have impacted our planet, but also how we can save it for future generations.

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About National Geographic:
National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what’s possible.

Forest Flyover with Gisele | Years of Living Dangerously

National Geographic
https://www.youtube.com/natgeo

Discovering Gravitational Waves | StarTalk

Neil deGrasse Tyson explains how Albert Einstein correctly predicted the existence of gravitational waves.
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About StarTalk:
Host Neil deGrasse Tyson brings together celebrities, scientists and comedians to explore a variety of cosmic topics and collide pop culture with science in a way that late-night television has never seen before. Weekly topics range from popular science fiction, space travel, extraterrestrial life, the Big Bang, to the future of Earth and the environment. Tyson is an astrophysicist with a gifted ability to connect with everyone, inspiring us all to to “keep looking up.”

Get More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite
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Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta

About National Geographic:
National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what’s possible.

Discovering Gravitational Waves | StarTalk

National Geographic
https://www.youtube.com/natgeo

Signs Your Friend Just Bought A GoPro – No Filter

GoPro cameras are cool, but whenever someone first buys one, no one wants to be around them.
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أسعد 10 دول فى العالم لعام 2016

( متع عقلك ) | قناة تمنحك رحلة مسلية فى عالم المعرفة والعلم
أشترك معنا الأن – بالضغط على زر أشتراك ليصلك كل ما هو جديد
قناة متع عقلك الرئـــيـسـيـة ◄ http://bit.ly/2biocr1
قناة متع عقلك | حـــقــائــق ◄ http://bit.ly/2bwiDJt
قناة متع عقلك | شـخصيات ◄ https://goo.gl/QqcMkz
موقع متع عقلك الألكترونى ◄ http://mat3aqlik.com
تابعوني علي تــــويتــــــــر ◄ https://twitter.com/mata3_3a2lak
تابعو صفحة الفـيـسـبـــــوك ◄ https://www.facebook.com/mata33a2lak
…………………………………………………………………………………….
أصدرت إحدى المؤسسات المعنية بالتنمية المستدامة والتابعة للأمم المتحدة آخر تقاريرها عن “أسعد شعوب العالم” لعام 2016 , وجاءت النتائج بعد استفتاء طويل واستبيان شمل آلاف الناس من أكثر من 150 دولة حول العالم
الملفت للنظر هو تصدر الدول “الباردة” والمعزولة عن ساحات الأحداث الدولية للمراتب الأولى وكأنها تطبق المثل القائل “ابعد عن الشر وغنيلوه” , فيبدوا أن السعادة و”راحة البال” ترتبط بشكل كبير بالإبتعاد عن مشاكل هذا العالم والتفرغ لحياة هادئة وذاتية المحور
وتعد دولة الإمارات الأولى عربيا حيث جاءت في المرتبة 28 طبقا لتقرير السعادة العالمي حيث يتم اختيار قائمة اسعد بلدان العالم بناء على عدة أشياء مثل مستوى الأجور ومستوى الأمان ومستوى التعليم والصحة ومستوى الحريات وغيرها من الأشياء التى تساعد في بناء المجتمعات المتقدمة

إليكم أسعد 10 شعوب فى العالم