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Thanks for reading Scientific American. Students will learn about bactericidal vs. bacteriostatic antibiotics, narrow vs. broad spectrum antibiotics, what antibiotics are effective in treating, how penicillin was discovered by Alexander Fleming and how the misuse, overprescription and use of subtherapeutic antibiotics in livestock feed has contributed to the growing antibiotic resistance seen in bacteria. The graph below shows the onshore arrival and departure of polar bears on Baffin Island relative to dates of sea ice advance and retreat. Students will learn about studies that show that using Facebook and other social media correlate with decreased feelings of well-being. Ronald Fishers "Fisherian runaway" hypothesis as well as other interesting evolutionary theories behind sexual selection are examined. There, they. climate change) and a movement to "Keep it in the ground". Article #40 The Truth Behind Bottled Water, Article #10 Great Minds in Science - Rachel Carson. They help my students with reading non-fiction, and they are so interesting and engaging!" 2019 Arctic Sea Ice Minimum Is Second Lowest. A 2017 study in the journal Arctic indicated that eight hybrids had been born of a mother polar bear who mated with two grizzlies. Unfortunately, their highly specialized diet of blubber means they could soon go extinct a la the saber tooth tiger and other persnickety predators. Remote Sensing The various concerns and risks surrounding fracking are discussed as well as the stance different countries have taken on the fracking issue. Article #35 An Athlete's Perfect Twitch. Grizzly-polar bear hybrids spotted in Canadian Arctic - ScienceNordic But a recent study shows some subpopulations of polar bears are struggling to complete these essential tasks because of declining concentrations of Arctic sea ice. The other example is the dramatic change in the size of the giant insects of the prehistoric era to the much smaller ones we have today. Sea ice has been breaking up earlier in the spring over the years (green) and is forming later in the fall (blue). 2019 Arctic Sea Ice Minimum Is Second Lowest, NASA Goddard Space Polar bears, on the verge of extinction due to climate change, are frequently moving inland in search of food and mating with grizzly bears to create a hybrid animal that is more resilient to the warming world. Article #38 Climate Change and Pizzly Bears. Students will learn about the properties of a diamond and what makes it different from graphite, different methods of creating synthetic diamonds, and what applications these synthetic diamonds have. Reprinted from Climatewire with permission from Environment & Energy Publishing, LLC. Grizzly bears, known for the distinctive hump on their shoulders, are normally solitary animals but come together to feed or to mate. 0000009711 00000 n Floral Dresses To Chic Bags - Heres How I Refreshed My Summer Closet From Flipkart On A Budget! The Teacher-Author indicated this resource includes assets from Google Workspace (e.g. But closer analysis of genetics suggests that perception is far some settled. PDF Assessment Answer Key Let's Change Climate Change Hunter Didji Ishalook, 25 . This could be why they mated with grizzly bears, whose jaws are better equipped to eat plant tubers or scavenge carcasses when resources are scarce. Get the Android Weather app from Google Play, Bankman-Fried might use flip phone under stricter, Armored combat team heading to league World Cup, Motorcyclist killed on I-70 in multi-vehicle crash, Avs fall to Stars 7-3 for 2nd loss in a row, Jokics triple-double lifts Nuggets over Grizzlies, Makar cleared to return from 2nd concussion protocol, Mercer has goal, 3 assists as Devils beat Avalanche, Racism case against Broncos, NFL going to court, Chucky doll in a dogs body: Chihuahua that went viral finds forever home, Best athletic wear for kids joining baseball and, How to watch all the Oscar-nominated movies in style, Best smart home devices for older users, according, In Britain, warm hubs emerge to beat soaring energy, Cant take statins?