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IMAGE: Artist s reconstruction showing the life stages of the fossil lamprey Priscomyzon riniensis. It lived around 360 million years ago in a coastal lagoon in what is now South Africa.
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Credit: Kristen Tietjen
A new study out of the University of Chicago, the Canadian Museum of Nature and the Albany Museum challenges a long-held hypothesis that the blind, filter-feeding larvae of modern lampreys are a holdover from the distant past, resembling the ancestors of all living vertebrates, including ourselves. The new fossil discoveries indicate that ancient lamprey hatchlings more closely resembled modern adult lampreys, and were completely unlike their modern larvae counterparts. The results were published on March 10 in
Fossilized Fish Larvae Discovery Upends Theory On Vertebrate Origins
courthousenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from courthousenews.com Daily Mail and Mail on Sunday newspapers.
Опровергнута теория происхождения позвоночных
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LACE UP THE SKATES You can go for a skate this weekend on Ottawa’s outdoor refrigerated rinks. The city says you must book a free 45-minute reservation for a skating time at www.ottawa.ca/skating.
Reservations will be required to skate at the following peak times: City Hall Rink of Dreams, 9 a.m. – 11 p.m. daily Jim Tubman Chevrolet Rink of Dreams, 10 a.m. – 10 p.m. weekends, 8 a.m. – 10 p.m. weekdays Lansdowne Park Skating Court, 9 a.m. – 10 p.m. weekends, 5 p.m. – 10 p.m. weekdays Ben Franklin Place Skating Rink, 9 a.m. – 10 p.m. weekends, 5 p.m. – 10 p.m. weekdays
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VANCOUVER, BC / ACCESSWIRE / March 5, 2021 / Commerce Resources Corp. (TSXv:CCE)(FSE:D7H0)(OTCQX:CMRZF) (the Company or Commerce ) is pleased to announce a donation of five (5) whole rock hand samples from the Ashram Rare Earth and Fluorspar Deposit to the Canadian Museum of Nature in Ottawa, ON.
The donation is in response to a request by the Canadian Museum of Nature who are developing a display/edukit that will be used at various schools, launching in September 2021. The focus of the edukit is minerals and natural resources in our daily lives. This includes the mining of rare earth elements ( REEs ) and specifically, an illustration of the key components of the REE value chain. The overarching objective is show students how raw materials in the ground are extracted, processed, and end up being used in everyday technologies such as cell phones, tablets, headphones, etc.