How are the animals of Antarctica being affected by climate change? Marine ecologist Ari Friedlaender explains why it is important to study Antarctica’s ecosystems.
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We know a lot of factual information about the starling—its size and voice, where it lives, how it breeds and migrates—but what remains a mystery is how it flies in murmurations, or flocks, without colliding. This short film by Jan van IJken was shot in the Netherlands, and it captures the birds gathering at dusk, just about to start their “performance.” Listen well and you’ll be able to hear how this beautiful phenomenon got its name.
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( متع عقلك ) | قناة تمنحك رحلة مسلية فى عالم المعرفة والعلم
أشترك معنا الأن – بالضغط على زر أشتراك ليصلك كل ما هو جديد
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Testing “Corian” (1/3 acrylic resin and 2/3 minerals) with a red hot nickel ball and hydrogen/oxygen gas. Sent in by Derek... Read More إقرأ المزيد | Share it now!

أسماء وروابط تحميل جميع الألعاب تجده في هذه الصفحة :
http://www.igli5.com/2016/11/12-2016.html
صفحتي على الفسبوك
https://www.facebook.com/huhu1981ful/
حسابي على الإنسغرام:
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Marine Ecologist, Ari Friedlaender researches whales in Antarctica and how the changing climate is impacting their environment. He measures their size, underwater behavior, and diet with the goal of further understanding what whales need to survive.
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Go behind the scenes with Arnold Schwarzenegger as he covers the COP21, the U.N. climate conference that lead to a historic international agreement to address climate change.
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➡ Watch all clips of Years of Living Dangerously here: http://bit.ly/WatchYearsofLivingDangerously
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What will it take to get humans to Mars? Science writer Andrew Fazekas sits down with two Mars experts, Jedidah Isler and Ray Arvidson, to talk about the challenges we face getting to and establishing a permanent settlement on the red planet.
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Left 4 Dead (PC, 360) is considered a classic series. While we wait for the Left 4 Dead 3 that will never happen, enjoy some trivia!
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