Biology resources for South African teachers
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Biology resources for South African teachers
Rhinos, DNA, biomimicry and more-bringing the richness of the Net to your class, courtesy of the Reeler Centre at Pinelands High School  (If you would like to receive a weekly newsletter of the latest items in this Scoop just mail me at avanzyl@phs.org.za)
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From Fish to Humans, A Microplastic Invasion May Be Taking a Toll I Scientific American

From Fish to Humans, A Microplastic Invasion May Be Taking a Toll I Scientific American | Biology resources for South African teachers | Scoop.it

4 Sep 2018

Whereas photos of sea turtles eating plastic bags have become the poster child of the environmental harm wrought by humanity’s plastic waste, research like Browne’s illustrates the scope of the problem is far larger than the trash we can see. Tiny pieces of degraded plastic, synthetic fibers and plastic beads, collectively called microplastics, have turned up in every corner of the planet—from Florida beach sands to Arctic sea ice, from farm fields to urban air.

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How cutting-edge engineering borrows nature's innovations I PBS

Published on Feb 6, 2019
In the never-ending hunt for new designs that jump, pump, or run faster and better, scientists are finding inspiration in nature. The field of biomimicry blurs boundaries between living things -- like the butterfly’s proboscis or the flea's powerful legs -- and the inanimate to spur new problem-solving technologies. Science correspondent Miles O’Brien reports.

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These Gorillas Are Swiping Right to Survive I Great Big Story

Published on Feb 13, 2019
Baraka and Calaya are like many modern couples. They met through an algorithm, navigated a long-distance relationship and eventually settled down to have a baby. But for these Western Lowland Gorillas—with their genetics, personality and individual needs perfectly aligned—successful digital matchmaking isn’t about romance. It’s a means of survival.

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Why You Should Care About the Plastic in Your Poop I SciShow

Published on Feb 11, 2019
A recent study has concluded that people all over the world are probably ingesting microscopic plastic all the time. Now scientists want to know where this plastic is coming from, how it ends up inside of us, and the damage it could do to our bodies and our world.

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Tigers 101 | National Geographic

Published on Feb 8, 2019
Tigers are icons of beauty, power, and the importance of conservation. Learn five surprising facts about these striped felines, including how large the cats can be, an adaptation some developed for swimming, and how much wild tiger populations have declined.

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Nearly 100 Captive Orcas and Belugas at Risk of Drowning, Freezing to Death | National Geographic

Published on Feb 11, 2019
The “whale jail” is in legal limbo while Russia’s government scrambles for answers.

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Standing Among The Living: One Man’s Journey Through the Ebola Crisis - BBC Africa Eye documentary

Published on Feb 12, 2019
As the latest outbreak of the deadly Ebola virus continues to spread in the Democratic Republic of the Congo, this remarkable film reveals the full horror of a full-scale Ebola epidemic - that which hit Sierra Leone in 2014. By the time it was brought under control, eighteen months later, more than 3,500 were dead and thousands more infected.

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World faces catastrophic risks over insects' road to extinction | Al Jazeera

Published on Feb 11, 2019
The world's insects are on the road to extinction and could vanish in 100 years, according to the first global review of decades of research into insect populations. Scientists say the findings are "frightening" and a "catastrophic" threat to our ecosystems.
Al Jazeera's Mereana Hond has more.

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How Changes Over the Past Five Centuries have Moulded Evolution I Gresham College

Published on Feb 5, 2019
Celebrating 500 years since Thomas Gresham's birth, Steve Jones asks 'How has the 16th-century affected the evolution of human beings, animals and plants?

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You, a Dog, and an Elephant All Pee for 21 Seconds I SciShow

Published on Feb 5, 2019
The time it takes to you to tinkle is probably about the same as an elephant, even though an elephant's bladder is over 100 times larger. How can that be right? The answer is a combination of physiology and fluid dynamics.

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Flamingo chicks saved I eNCA

Published on Jan 29, 2019
They're now being treated at bird rehabilitation facilities across the country, including the home of private investigator Mike Bolhuis

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Bacteria (Updated) I Amoeba Sisters

Published on Jan 31, 2019
Let the Amoeba Sisters introduce you to bacteria! This video explains bacterial structure, reproduction, and how not all bacteria are "bad!" Video also briefly mentions endospores, plasmids, and bacteria transformation.

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Unmasking Malaria With A Cheap Magnet And A Laser Pointer | NPR

Published on Jan 17, 2019
This video is from the Joe’s Big Idea series Changing The World One Invention At A Time.

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New Study Shows Rapid Decline in Insect Populations I VOA News

Published on Feb 14, 2019
Insects are the most biodiverse group of living things on the planet. And it is a good thing there are so many of them because they are responsible for many of the fundamental processes that allow life on earth, from pollination to decomposition. But a new report suggests they are disappearing, and that could be catastrophic.

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Race To Save The World's Largest Living Organism I Journeyman Pictures

Published on Feb 7, 2019
The World's Largest Living Organism Is Under Threat: The Pando tree in Utah is estimated to be the world's largest living organism, made up of an entire forest of trees that are essentially clones connected by a vast root structure below ground. Yet man-made ecological influences threaten the survival of this fascinating species.

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5 of the Coolest Partnerships Between Animals and Bacteria I SciShow

Published on Feb 10, 2019
This Valentine’s Day, send a little love to your bacterial buddies! Our microbes keep us healthy, but some bacteria give their animal companions superpowers, like immunity to poison, or even invisibility!

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How Do Seedless Watermelons Reproduce? I SciShow

Published on Feb 12, 2019
Seedless watermelons are basically the best thing ever. But they’re also a delicious paradox. Seeds are a key part of plant reproduction. So how do you breed a plant that doesn’t make any seeds?

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By Eavesdropping Underwater, Scientists Hope to Capture Endangered Frog’s Song | Short Film Showcase

Published on Feb 12, 2019
The endangered exquisite spike-thumb frog likes a certain song. Scientists are building a "library of sounds" to help them breed.

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How These Hummingbirds Turned Their Beaks Into Swords | ScienceTake

Published on Feb 5, 2019
In the South American tropics, where hummingbirds must compete for food, evolution has drastically reshaped their bills. They are thicker and more rigid, often with a hook on the end. In some cases, they have jagged points, like rows of teeth — all the better for fighting off rivals!

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Measles outbreak in the Philippines kills 55 children since 2019 l Al Jazeera

Published on Feb 8, 2019
A measles outbreak in the Philippines's capital, Manila, is spreading. The health department reported a 550 percent increase in cases nationwide, with 55 deaths since January.
Vaccination efforts have been hampered by a recent vaccine corruption scandal in which children may have been given an unsafe dengue fever vaccine as part of a mass immunisation programme, weakening trust in health officials. Al Jazeera's Jamela Alindogan reports from Manila.

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Infections and the Nerves I Gresham College

Published on Jan 23, 2019
Certain infections have a specific impact on the peripheral nerves. This lecture covers the peripheral nervous system and how infections can react with it.

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Can wolves and humans coexist in Germany? I DW News

Published on Feb 9, 2019
As wolves return to Germany, the danger of attacks on humans is growing. Animal protectionists fear that open season will be declared on the creatures. Can wolf management help coexistence between humans and the wolves?

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Becoming: From zygote to tadpole, in six stunning minutes I Aeon Video

Published on Feb 5, 2019
Watch a single cell become a complete organism in six pulsing minutes of timelapse. Native to central and southern Europe, the amphibious alpine newt breeds in shallow water, where its larvae are born, hatch and feed on plankton, before sprouting legs and moving to land. This timelapse video from the Dutch director Jan van IJken tracks the development of a single-celled zygote into the hatched larva of an alpine newt. Captured in stunning detail at microscopic scales, Becoming is a remarkable look at the process of cell division and differentiation, whence all animals – from newts to humans – come.

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I Got To See And Hold My Brain I Tom Scott

Published on Jan 28, 2019
We're all used to seeing MRI scans of brains. But how do they work? Can you really "see" brain activity, or read someone's mind? Alie and Micah from Neuro Transmissions went to get scanned -- and ended up having some fun with 3D printing, too.

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Did an asteroid kill the dinosaurs? I American Museum of Natural History

Published on Feb 2, 2019
Around 66 million years ago, all non-avian dinosaurs went extinct. Was the culprit a 6-mile wide asteroid that collided with Earth? Or did other factors contribute to the dinosaurs’ die-off? Paleontologist Aki Watanabe looks at other theories for why dinosaur populations declined during this famous mass extinction.

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