uncleflo
Registered since September 28th, 2017
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This map shows where on Earth humans aren’t
Saved by uncleflo on February 13th, 2022.
A new map shows where people have the lowest impact—but are those the best places to protect? A newly created map reveals the “wildest” places on Earth—places where humans have the lowest impact. The findings could be used to support the push to set aside half of Earth for nature, its authors say. “If you want to know where in the world you can find a place that has not yet been transformed by agriculture, infrastructure, or settlements, [this map] is where to find it,” says Erle Ellis, a global ecologist at the University of Maryland Baltimore County who contributed to the analysis. “There is a very strong consensus on where these places are.” The map, published today in the journal Global Change Biology, knits together four independently developed models for determining where humanity leaves its fingerprints, each using different indicators of activity.
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Bird Flight
Saved by uncleflo on April 17th, 2021.
Exactly how birds acquired the ability to fly has baffled scientists for years. Archaeopteryx provided a starting point for speculation. Built like a dinosaur, but with wings, scientists guessed at how a hypothetical ancestor might have taken flight. Some scientists support the arboreal hypothesis (e.g., Feduccia 1996) and suggest that the ancestors of Archaeopteryx lived in trees and glided into flapping flight (Figure to the right). But others argue that the claws of Archaeopteryx weren't suited to climbing. So, others support the cursorial hypothesis (e.g., Burgers and Chiappe 1999) and suggest that these ancestors used their long, powerful legs to run fast with their arms outstretched, and were at some point lifted up by air currents and carried into flapping flight.
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Crash Course! - YouTube
Saved by uncleflo on July 4th, 2013.
Six awesome courses in one awesome channel: John Green teaches you US History and Hank Green teaches you Chemistry. Check out the playlists for past courses in World History, Biology, Literature, and Ecology.
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ADW: Home
Saved by uncleflo on September 28th, 2012.
The Animal Diversity Web is an online database and encyclopedia of animal natural history, built through contributions from students, photographers, and many others. It is a rich and flexible resource designed both as an encyclopedia for exploring biodiversity and for use in formal, inquiry-based education.
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Operation Wallacea - Indonesia Projects
Saved by uncleflo on January 3rd, 2012.
The Hoga Marine Research Station is ideally situated in the centre of the coral triangle, the area with the most biologically diverse coral reefs on the planet. Preparing yourself for an expedition to a remote location can be very daunting. However, the Operation Wallacea teams in the UK, US, and Canada are here to make this preparation phase as easy as possible. Please make sure that you read all of these information pages thoroughly. If you still have queries after reading them, feel free to contact the closest Opwall office, and our staff will be more than happy to assist you.
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