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Young explorers: a brief history of time tellingScroll down to explore a learning path based on this topic.
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From computers, to phones, watches and clocks, everywhere you look there's something telling you the time. Watch our 'Young explorers' video about how time has been told throughout history.
Turns out living animals aren't the only ones with internal clocks. Plants also have them and they're driven by sugar! Trace explains how they work. Read More: Plants Discovered To Have Ability to Tell Time: 'Sugars In Plants Are Key To Timekeeping' http://www.designntrend.com/articles/8690/20131024/plants-discovered-to-have-ability-to-tell-time-sugars-in-plants-are-key-to-timekeeping.htm "Researchers have recently discovered plants' ability to tell time. According to research published in the journal Nature, plants use sugars to tell the time of day. Like animals, plants have a circadian clock that provides a competitive advantage in the environment, influenced by Earth's rotation." Photosynthetic entrainment of the Arabidopsis thaliana circadian clock http://www.nature.com/nature/journal/vaop/ncurrent/full/nature12603.html "Circadian clocks provide a competitive advantage in an environment that is heavily influenced by the rotation of the Earth, by driving daily rhythms in behaviour, physiology and metabolism in bacteria, fungi, plants and animals." How plants tell time http://grow.cals.wisc.edu/departments/know-how/how-plants-tell-time "Gardeners often marvel at how plants of the same species tend to flower, fruit and go to seed with remarkable synchronicity, as if on cue." Plants Use Sugars to Tell the Time of Day http://www.sciencedaily.com/releases/2013/10/131023131804.htm "Plants, like animals, have a 24 hour 'body-clock' known as the circadian rhythm. This biological timer gives plants an innate ability to measure time, even when there is no light -- they don't simply respond to sunrise, for example, they know it is coming and adjust their biology accordingly." Watch More: Plants Can Hear?! http://www.youtube.com/watch?v=ApZ59MSty4o TestTube Wild Card: http://testtube.com/dnews/dnews-263-can-you-sneeze-without-closing-your-eyes?utm_source=YT&utm_medium=DNews&utm_campaign=DNWC Why Leaves Change Color http://www.youtube.com/watch?v=9mPwXC_ep4k ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Anthony Carboni on Twitter http://twitter.com/acarboni Laci Green on Twitter http://twitter.com/gogreen18 Trace Dominguez on Twitter http://twitter.com/trace501 DNews on Facebook http://facebook.com/dnews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com
http://tomscott.com - http://twitter.com/tomscott - http://facebook.com/tomscott A few centuries ago, the arbiter of "local noon" wasn't the mechanical clock, it was the sundial. The pseudoscientific-sounding "equation of time" is how you convert between the two -- and perhaps not the way you'd expect.
2 marine animals were just discovered to have different body clocks then EVERYONE ELSE!!! We want your feedback on Animalist News! Click this link to take a quick survey so that we can make the videos YOU want to see! http://anmlst.co/181gSbc I'm putting out new episodes Monday-Saturday so please subscribe! You can also like, share, and comment on this video by using this link: http://youtu.be/O5HNggXzy2Y Check out some of my personal YouTube content on my Damitsgood808 channel!: http://www.youtube.com/damitsgood808 And don't forget to subscribe to Animalist! http://www.youtube.com/subscription_c... MORE FUN LINKS FOR YOUR FACES! Twitter: https://twitter.com/animalists Facebook: https://www.facebook.com/AnimalistNet... Google+: http://gplus.to/animalist Pinterest: http://www.pinterest.com/animalists/ -LOVE YA HAIRY MAMMALS LATER!
Everything from the mysterious phenomenon of "early morning" heart attacks in humans -- to how tiny nocturnal mammals evade predators -- to the blooming of plants -- is regulated by an organism's internal "biological clock." With support from the National Science Foundation, Jonathan Arnold and his team from the University of Georgia study the genetic underpinnings of these fascinating internal timekeepers using a most unlikely model system: bread mold. Arnold says the mold has plenty in common with both plant and human clocks. And the simplicity of bread mold has allowed this team to produce the first functional model of how a biological clock works. Deeper understanding this time regulator could help other scientists understand aging, artery blockages, jet lag, and why some people can work third shifts effortlessly while for others it is difficult and even dangerous. For more Science Nation: Subscribe: http://www.youtube.com/subscription_center?add_user=VideosatNSF or Youtube Playlist: http://www.youtube.com/playlist?list=PL833118C47C3E8362 or http://www.nsf.gov/news/special_reports/science_nation/index.jsp .
Did you know that all sorts of things have been as money throughout history from shells, lumps of metal and barley, to the coins and banknotes we're more familiar with today? For a brief history of money, watch this Young explorers video from the British Museum