Selected Sci-News Items Oct 03 - Oct 09, 2020
General Interest Cosmos Innovation Health Nature Environment Climate
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Do Students Need Calculus Anymore?Popular Mechanics, October 02, 2020
Americans act very protective of math curricula despite having low or even bottom rankings among peer nations in even basic math literacy.
Ancient Hominins Used Fire to Make Stone ToolsPhys.Org, October 06, 2020
Early humans who made stone tools may have had a good understanding of the effects of heating the stone before flaking it into blades, and they may even have used different temperatures to create different types of tools.A Brief History of Mashed PotatoesMental Floss, September 28, 2020
In mid-18th century France, potatoes were considered feed for livestock, and believed to cause leprosy in humans. The fear was so widespread that the French passed a law against eating potatoes in 1748.
A Four-Year Timeline of Trump's Impact on ScienceNature, October 05, 2020
From travel bans to human spaceflight to the coronavirus pandemic, US President Donald Trump's policies and actions have changed science. Nobel Prizes: Chemistry, Medicine, Physics
Why Astronomy Is Considered the Oldest ScienceAstronomy, October 06, 2020
Initially a cosmic curiosity, the night sky was eventually decoded by ancient peoples, making astronomy one of (if not the) oldest science. Work, Float, Eat, Dream: Life on the International Space StationAir and Space, October, 2020
We asked some of the people who've spent the most time on the ISS: What's it like up there? Scientists Identify 24 Potentially 'Super-habitable' ExoplanetsSci-News, October 05, 2020
Those alien worlds are older, a little larger, slightly warmer and possibly wetter than our own planet.
'Green Hydrogen' from Renewables Could Become Cheapest 'Transformative Fuel' Within a DecadeThe Guardian, October 02, 2020How the Pandemic Is Changing Our Exercise Habits
Government has nominated 'clean hydrogen' using gas and CCS but for many countries 'clean' already means without fossil fuelsOf Hemp's Many Uses, One of the Most Promising Could Be in ConstructionEnsia, October 06, 2020
"Hempcrete," made from the woody core of hemp, is showing promise as an environmentally friendly building materialDOE Study: Solar-Hydro Projects Could Power 40 Percent of WorldE&E News, October 02, 2020
The research found that by constructing solar panels on the surface of hydro reservoirs and feeding the power they generate into the same substation, both energy resources might become cheaper, more efficient and more reliable.
New York Times October 07, 2020
Many of us have been moving less since the pandemic began. But some, including many older men and women, seem to be moving more.
Around the World in Rare and Beautiful Apples
Floodgates in Venice Work in First Major TestNew York Times, October 03, 2020
The fiercely contested floodgate system was used to stop a high tide from flooding Venice's fragile streets. The system held, but will it work as the climate worsens?
Got Beef? Here's What Your Hamburger Is Doing To The Climate
Forbes, October 05, 2020
In recent years, the looming specter of climate change has given meat eaters an additional dilemma to consider: cattle and dairy farming, climate scientists have warned, is unsustainable, generating high levels of greenhouse gases at every stage of the production process. Has the World Started to Take Climate Change Fight Seriously?BBC News, September 30, 2020
You probably missed the most important announcement on tackling climate change in years. It was made at the UN General Assembly.Three Scenarios for the Future of Climate ChangeNew Yorker, October 05, 2020 (Elizabeth Kolbert)
Had the warnings of either James Hansen or Bill McKibben been heeded three decades ago, the world today would be a very different place-incalculably better off in innumerable ways. Inside Clean Energy: Net Zero by 2050 Has Quickly Become the New Normal for the Largest U.S. UtilitiesInside Climate News, October 01, 2020
New plans from Ameren and Entergy show the trend to renewables is accelerating because coal just can't compete. Some activists want it to go even faster.
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