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Origin of life: Glass flask was catalyst in famous Miller-Urey experiment

By   /  October 25, 2021  /  Science  /  Comments Off on Origin of life: Glass flask was catalyst in famous Miller-Urey experiment

By Jason Arunn Murugesu Harold Urey (1893-1981) was a pioneering chemist US DEPARTMENT OF ENERGY/SCIENCE PHOTO LIBRARY A famous origin-of-life experiment from the 1950s may have more accurately mimicked nature than we initially thought. The influential Miller-Urey experiment showed that with just water, ammonia, hydrogen and methane – and electric sparks to mimic lightning – […]

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COP26: Ed Miliband on the reality of UN climate summits

By   /  October 24, 2021  /  Science  /  Comments Off on COP26: Ed Miliband on the reality of UN climate summits

By Adam Vaughan Ed Miliband was the UK’s climate minister at the Copenhagen climate summit in 2009 Guy Smallman/Getty Images Around 25,000 delegates will descend on Glasgow, UK, for COP26, a climate conference like no other. As a key player at one of the most important climate summits that preceded it, Ed Miliband has a […]

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Beavers Chip in on Landscape Engineering

By   /  October 24, 2021  /  Science  /  Comments Off on Beavers Chip in on Landscape Engineering

Beavers are among the best ecosystem engineers. Their mighty chompers make quick work of trees, and the resulting logs dam up moving water to create swampy ponds. These changes to the landscape can open up important new habitats for all kinds of species, from amphibians to moose, within the beavers’ native range in North America. […]

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Yes, People Are Now Trading and Investing in Water as a Commodity

By   /  October 24, 2021  /  Science  /  Comments Off on Yes, People Are Now Trading and Investing in Water as a Commodity

As drought once again threatened California and the western U.S. this summer, the search for water led illegal marijuana growers to tap into fire hydrants, environmental officials to sacrifice chinook salmon nurseries for crop irrigation and farmers to join forces with anti-government militants to protest a shut-off irrigation canal along the California-Oregon border. Such tactics […]

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Rethymic: FDA approves engineered organ for use in children without immune cells

By   /  October 22, 2021  /  Science  /  Comments Off on Rethymic: FDA approves engineered organ for use in children without immune cells

By Alice Klein A microscope image of the thymus agefotostock /Alamy Infants who would normally have died because they lack a key immune organ can now survive to adulthood thanks to a thigh implant that produces immune cells for fighting infections. About five out of every million children born in the US are missing a […]

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Invasion review: A slow-moving, tedious disaster drama

By   /  October 22, 2021  /  Science  /  Comments Off on Invasion review: A slow-moving, tedious disaster drama

By Josh Bell Sam Neill in Invasion Macall Polay/Apple It takes a while for the alien incursion promised in the title of Apple TV+’s Invasion to arrive, and even then, the aliens themselves and their purpose remain largely shrouded in mystery. A slow-moving, often tedious disaster drama, Invasion takes five episodes to get through what […]

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Breakthrough or bust? Claim of room-temperature superconductivity draws fire | Science

By   /  October 22, 2021  /  Science  /  Comments Off on Breakthrough or bust? Claim of room-temperature superconductivity draws fire | Science

A result last year hailed as a breakthrough in physics also generated skepticism that has now escalated into angry recriminations. Researchers said they had made the first superconductor that works at room temperature, a long-sought goal. But Jorge Hirsch, a physicist at the University of California (UC), San Diego, attacked some of the evidence, particularly […]

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How to use your phone with one hand

By   /  October 22, 2021  /  Science  /  Comments Off on How to use your phone with one hand

This story has been updated. It was originally published on September 17, 2019. Remember back in the era of the iPhone 4 and 5, when Apple’s phones seemed diminutive compared to their growing competitors? The company claims they did so to keep the phones usable with one hand. They eventually caved, though, and even today’s […]

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Tuskless elephants became common as an evolutionary response to poachers

By   /  October 22, 2021  /  Science  /  Comments Off on Tuskless elephants became common as an evolutionary response to poachers

When ivory poachers target elephants, the hunters can affect more than just animal numbers. In Mozambique, past hunting pressure led to an increase of naturally tuskless elephants in one park, a study finds.  During the Mozambican Civil War, which lasted from 1977 to 1992, armies hunted elephants and other wildlife for food and ivory (SN: […]

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The EPA is attempting to crack down on PFAS

By   /  October 22, 2021  /  Science  /  Comments Off on The EPA is attempting to crack down on PFAS

The United States has a PFAS problem. Whether they are raining down from the sky or popping up in food packaging, the mysterious chemicals, also known as Per- and polyfluoroalkyl substances have been finding their way into our bodies and environment—sometimes at concerningly high levels. PFAS are also found in everyday cosmetics, especially in longwear […]

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