8 Stories That Matter


Black carbon and other pollutants are seeding clouds.

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Accessed on 30 November 2020, 1958 UTC.

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Black carbon and other pollution seeds clouds. We’re just starting to understand the climate implications

Posted: 30 Nov 2020 08:47 AM PST

Particles swirling around our atmosphere add to climate change, yet much about how they interact with sunlight and influence the seeding of clouds remains puzzling. Studies are lifting the lid on how these tiny particles influence something as big as climate by analysing them from jet aircraft, satellites and ground measurements.  The leading cause of climate change is rising levels of carbon dioxide in the […]
Researchers say they’ve identified gene responsible for cellular aging

Posted: 30 Nov 2020 06:12 AM PST

Cellular reprogramming can reverse the aging that leads to a decline in the activities and functions of mesenchymal stem/stromal cells (MSCs). This is something that scientists have known for a while. But what they had not figured out is which molecular mechanisms are responsible for this reversal. A study released today in STEM CELLS appears […]
Most popular American movies depict an unhealthy diet

Posted: 30 Nov 2020 06:06 AM PST

It’s no surprise that most people in the U.S. don’t follow a healthy diet. But Stanford psychologists wanted to go deeper to find out why people don’t eat healthier even when they know it’s better for them. So they looked at an influential force in American popular culture – movies – to see how they […]
Ultrafast way to manufacture perovskite solar modules

Posted: 30 Nov 2020 06:05 AM PST

Most solar cells today are made with refined silicon that turns sunlight into clean electricity. Unfortunately, the process of refining silicon is far from clean, requiring vast amounts of energy from carbon-emitting power plants. For a greener alternative to silicon, researchers have focused on thin-film perovskites – low-cost, flexible solar cells that can be produced […]
Live tracker notes COVID cases, deaths by congressional districts

Posted: 30 Nov 2020 06:00 AM PST

Researchers at the Harvard Center for Population and Development Studies, Harvard Center for Geographic Analysis at the Institute for Quantitative Social Science, and Microsoft AI for Health have created a COVID-19 live tracker that monitors the current status of virus cases and deaths, as well as the reduction of new cases, in U.S. congressional districts. It is the first compilation of this […]
Reconstructing vertebrates rise from the water to land

Posted: 30 Nov 2020 05:59 AM PST

It’s hard to overstate how much of a game-changer it was when vertebrates first rose up from the waters and moved onshore about 390 million years ago. That transition led to the rise of the dinosaurs and all the land animals that exist today. “Being able to walk around on land essentially set the stage […]
Coated nanoparticles survive immune system and deliver drugs

Posted: 30 Nov 2020 05:57 AM PST

Nanoparticles are promising drug delivery tools, offering the ability to administer drugs directly to a specific part of the body and avoid the awful side effects so often seen with chemotherapeutics. But there’s a problem. Nanoparticles struggle to get past the immune system’s first line of defense: proteins in the blood serum that tag potential […]
When ice sheets melt, it’s a seesaw effect

Posted: 30 Nov 2020 05:56 AM PST

To see how deeply interconnected the planet truly is, look no further than the massive ice sheets on the Northern Hemisphere and South Pole. Thousands of miles apart, they are hardly next-door neighbors, but according to new research from a team of international scientists — led by Natalya Gomez, Ph.D. ’14, and including Harvard Professor Jerry […]

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Russ Roberts







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