how the t-rex lost its arms
Bookmarked 394 weeks ago
support us on patreon https:patreoncomeonstyrannosaurus rex was big tyrannosaurus rex was vicious and tyrannosaurus rex had tiny arms the story of how t-rex lost its arms is itself pretty simple but the story of why it kept those little limbs and how it used them well thats a little more complicatedthanks as always to nobumichi tamura for allowing us to use his wonderful paleoart: http:spinopsblogspotcomproduced in collaboration with pbs digital studios: http:youtubecompbsdigitalstudiossuper special thanks to the following patreon patrons for helping make eons possible:aldo espinosa ziga svetlana pylaeva colin sylvester philip slingerland john vanek jose garcia noah offitzer eric vonk tony wamsley henrik peteri jonathan wright wilco verweij jon monteiro james bording brad nicholls miles chaston addison baker michael mcclellan elysha nygrd jeff graham maria humphrey southpoint connor jensen ehit dinesh agarwal sapjes dave daisuke goto zachary

the suppression of south korea media amp its harsh conditions
Bookmarked 721 weeks ago
the suppression of south korea media ampamp its harsh conditions

tiny transistor
Bookmarked 725 weeks ago
in a remarkable feat of micro-engineering unsw physicists have created a working transistor consisting of a single atom placed precisely in a silicon crystalhindi version:http:youtubezxfj-12zsi8german version:http:youtubevuwhbaqafhi

autonomous self-contained soft robotic fish at mit
Bookmarked 618 weeks ago
soft robots which don039t just have soft exteriors but are also powered by fluid flowing through flexible channels have become a sufficiently popular research topic that they now have their own journal soft robotics in the first issue of that journal out this month mit researchers report the first self-contained autonomous soft robot a quotfishquot that can execute an escape maneuver convulsing its body to change direction in just 100 milliseconds or as quickly as a real fish canquotwe039re excited about soft robots for a variety of reasonsquot says daniela rus a professor of computer science and engineering director of mit039s computer science and artificial intelligence laboratory and one of the researchers who designed and built the fish quotas robots penetrate the physical world and start interacting with people more and more it039s much easier to make robots safe if their bodies are so wonderfully soft that there039s no danger if they whack youquot the robotic fish was built by andrew marchese a graduate student in mit039s department of electrical engineering and computer science and lead author on the new paper where he039s joined by rus and postdoc cagdas d onal each side of the fish039s tail is bored through with a long tightly undulating channel carbon dioxide released from a canister in the fish039s abdomen causes the channel to inflate bending the tail in the opposite directionread more: http:webmitedunewsoffice2014soft-robotic-fish-moves-like-the-real-thing-0313htmlvideo: melanie gonick mit newshigh-speed footage courtesy of andrew marchese

why did t rex have such tiny arms
Bookmarked 464 weeks ago
it039s easy to assume that every trait - including stubby arms on a terrifying predator - must be beneficial but the forces of evolution don039t really work like that thanks to the university of minnesota for sponsoring this video http:twin-citiesumneduthanks also to our supporters on https:wwwpatreoncomminuteearth___________________________________________fyi: we try to leave jargon out of our videos but if you want to learn more about this topic here are some keywords to get your googling started: evolutionary mechanisms: forces that change the frequency of genes in populationsnatural selection: the process whereby traits that make animals more likely to survive and reproduce take hold in a populationvestigiality: the process by which a genetically-determined structure loses some or all of its functionalitygenetic drift: a change in the frequency of an allele due to random sampling ___________________________________________credits and twitter handles:script writer

why so much tax money is wasted
Bookmarked 504 weeks ago
help me make more videos: http:wwwpatreoncomnerdwritertumblr: http:thenerdwritertumblrcom twitter: https:twittercomtheenerdwriteremail me here: thenerdwritergmailcomwade into the deep boring ocean:brian w head three lenses of evidence-based policy the australian journal of public administration vol 67 no 1 pp 111pew charitable trusts evidence based policymaking: a guide for effective government nov 2014 http:wwwpewtrustsorgmediaassets201411evidencebasedpolicymakingaguideforeffectivegovernmentpdfwayne parsons from muddling through to muddling up: evidence based policy-making and the modernisation of british governmenthttp:wwwflacsoedumxbiblioiberoamericanatempftpcatedra2sem05from20muddling20through20to20muddling20up20parsons20wpdfgovernment panel: discussion on evidence-based policy in governmenthttps:wwwyoutubecomwatchv=zwr9rmwv48ydebra k anderson mucking through the swamp: changing the pedagogy of a social we

how fighting wildfires makes them worse
Bookmarked 538 weeks ago
today039s wildfires burn on average twice the amount of land they did in 1970 the reason we039ve been working too hard to put them out thanks to our patreon patrons:- today i found out- jeff straathof- mark- maarten bremer- burmanshealthshop- duhilio patio- alberto bortoni- avi yashchin- valentin- nicholas buckendorf- antoine coeurand a final thank you to our subbable supporters:- https:twittercomwernerbatt- http:wwwburmanshealthshopcom- healthburmans- everclaritycom- moti lieberman - wwwthelingspacecom- https:twittercomwearetheproduct- haplesshannah - wwwyoutubecomhaplesshannah- siggimondo- sigmund leirvg- casey zakroff - youtubecomphsquid- the evangelical potato queen - http:iimgurcomeismuy3jpg- frog32 - https:githubcomfrog32___________________________________________want to learn more about the topic in this weeks video here039s a keywordphrase to get your googling started: fuel ladder___________________________________________credits amp twitter handles:script writer: peter reichscript editor: emily elert eelertvideo illustrator: ever salazar eversalazarvideo narrator: emily elert eelertvideo director: henry reich minutephysicswith contributions from: kate yoshida kateyoshida amp alex reich alexhreichmusic by: nathaniel schroeder: http:wwwsoundcloudcomdrschroeder_________________________________________like our videos subscribe to minuteearth on youtube: http:googlepidgdand for exclusive early access to all our videos sign up with vessel: https:googlhgd1ijalready subbed help us keep making minuteearth by supporting us on patreon: https:googlzvglqzalso say hello on: facebook: http:googlfpavo6twitter: http:googly1awvcand find us on itunes: http:podcastminuteearthcom________________________references:ma finney cw mchugh and ic grenfell stand- and landscape-level effects of prescribed burning on two arizona wildfires can j for res 35: 17141722 2005north mp bm collins and sl stephens 2012 using fire to increase the scale benefits and future maintenance of fuels treatments journal of forestry 1107:392-401prichard sj peterson dl jacobson k 2010 fuel treatments reduce the severity of wildfire effects in dry mixed conifer forest washington usa canadian journal of forest research 40 16151626 doi:101139x10-109stephens sl jd mciver rej boerner cj fettig jb fontaine br hartsough p kennedy and dw schwilk 2012 effects of forest fuel reduction treatments in the united states bioscience 62:549-560stephens sl jk agee pz ful mp north wh romme tw swetnam and mg turner 2013 managing forests and fire in changing climates science 342:41-42image credits:2002 rodeo fire satellite image by landsat 7 2006 tripod complex fires and fuel treatment photos by: national interagency fire center - http:wwwnifcgovsusan prichard - https:wwwfiresciencegovprojectsbriefs07-1-2-13_fsbrief135pdfthanks also to eli anoszko mark finney lee frelich matt hurteau dave peterson susan prichard amp scott stephens

murdoch pulls plug on sky purchase
Bookmarked 757 weeks ago
rupert murdoch was on the verge acquiring the british sky broadcasting satellite network but as elizabeth palmer reports the tabloid hacking scandal forced him to pull the plug on the deal when as lawmakers on both sides of the atlantic called for investigations

bunny rabbit agility
Bookmarked 741 weeks ago
bunny rabbit agility display put on by the canadian rabbit hopping club on sunday august 3 2008 at bonnie doon shopping centre in edmonton ab krysta turner along with her friend amanda greening started the club in their home town of calgary and are looking for more people to join their first competition will be in september in chestermere ab near calgary video by ryan jacksonedmonton journalhttp:wwwedmontonjournalcom

the health journal: stephen foxx md on neuroradiology
Bookmarked 671 weeks ago
stephen foxx md comes in to speak on the field of neuroradiologythe health journal is a monthly publication that promotes fitness health and wellness to over 50000 readers in the williamsburg and hampton roads areas of virginia

the health journal: meet contributing author mike verano
Bookmarked 671 weeks ago
meet health journal contributing author mike veranothe health journal is a monthly publication that promotes fitness health and wellness to over 50000 readers in the williamsburg and hampton roads areas of virginia

the health journal: meet contributing author katie gilstrap
Bookmarked 671 weeks ago
meet health journal contributing author katie gilstrapthe health journal is a monthly publication that promotes fitness health and wellness to over 50000 readers in the williamsburg and hampton roads areas of virginia

why don039t sled dogs ever get tired
Bookmarked 454 weeks ago
thanks to squarespace for sponsoring this video https:squarespacecomminuteearthsled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolismthanks also to our supporters on https:wwwpatreoncomminuteearth___________________________________________to learn more about this topic start your googling with these keywords:glycolysis: the process by which glycogen is broken down into energyanaerobic metabolism: the creation of energy through the combustion of carbohydrates in the absence of oxygenaerobic metabolism: the creation of energy through the breakdown of fats proteins and carbohydrates atp: the principal molecule for storing and transferring energy in cellsbaseline vital signs: a subjects temperature pulse respiration blood pressure pain and pulse oximetry___________________________________________credits and twitter handles:script writer: david goldenberg dgoldenbergscript editor: emily elert eelertvideo illustrator:

milk is just filtered blood
Bookmarked 405 weeks ago
join honey for free at: https:wwwjoinhoneycomminuteearthspecial thanks to honey for sponsoring this episodefemale mammals make milk a cocktail of filtered blood to provide their babies with vital nutrientsthanks also to our patreon patrons https:wwwpatreoncomminuteearth and our youtube sponsors___________________________________________to learn more start your googling with these keywords: mammal: endothermic vertebrates that nurse their younglactation: the secretion of milk by the mammary glandsmammary gland: a cluster of alveoli and ducts that secretes milkmammary alveoli: the tiny sacs that are the site of milk production and storage in the mammary gland oxytocin: a hormone released by the pituitary gland that - among other things - causes the milk ejection reflex during nursingholstein: a large black and white cow known for the large quantities of milk it yields___________________________________________subscribe to minuteearth on youtube: http:googlepidgdsup

the brain-eating amoebas of kerosene creek
Bookmarked 349 weeks ago
kerosene creek is a natural hot spring near rotorua on the north island of new zealand and there have been official warnings for years: don039t put your head under water it turns out that quotbrain-eating amoebasquot naegleria fowleri are a real if rare thingthank you to associate professor siouxsie wiles here are some of the references used for this video:bonifield j 2019 fatal brain-eating amoeba may have come from woman039s neti pot retrieved from https:editioncnncom20181207healthseattle-brain-amoeba-neti-pot-bnindexhtmlhermelingmeier k weber r hellmich m heubach c amp msges r 2012 nasal irrigation as an adjunctive treatment in allergic rhinitis: a systematic review and meta-analysis american journal of rhinology amp allergy 265 e119-e125 doi: 102500ajra2012263787piper k foster h susanto d maree c thornton s amp cobbs c 2018 fatal balamuthia mandrillaris brain infection associated with improper nasal lavage