Home | Tag Archives: Scientific American (page 10)

Tag Archives: Scientific American

Visualizing the Innards of Subatomic Particles

SA Visual With a nod to the recently discovered Xi-cc++ particle, here’s a look at the quantum foam that lies within Advertisement | Report Ad Last week, a new kind of heavy particle was discovered by physicists using the Large Hadron Collider. As reported by my colleague Lee Billings : “The particle, known as Xi-cc++ (pronounced “Ksī-CC plus-plus”), is composed ...

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Scientists Should Talk Directly to the Public

Science and scientific research is important because it provides answers to the most persistent challenges our societies face, including climate change, public health and food security. Yet, these answers are often only published in peer-reviewed journals. Approximately 2.5 million new scientific papers are published every year. In addition, libraries are full of original research findings in the form of theses ...

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World Leaders Voice Dissent against U.S. Climate Stance

Nineteen countries with major economies reaffirmed their commitment to the Paris Agreement over the weekend, highlighting U.S. isolation a month after President Trump pulled the United States out of the deal. In the official communiqué  and a separate action plan adopted Saturday at the close of the Group of 20 summit in Hamburg, Germany, leaders made it clear that America stands ...

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Why Researchers Need Better Space Dirt

James Carpenter just needed some fake Moon dirt. Carpenter, a lunar-exploration expert at the European Space Agency (ESA) in Noordwijk, the Netherlands, works on a drill designed to hunt for buried ice on the Moon. His team recently ordered half a tonne of powdery material to replicate the lunar surface  from a commercial supplier in the United States. But what showed ...

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Is Activism or Moderation the Surest Path to Decarbonization?

Earlier this week I attended the U.S. Energy Information Administration (EIA) Annual Conference. The focus of the conference was understanding and quantifying the current and projected state of the energy system, so for the most part discussions at the conference were removed from energy politics. But on the second day of the conference, energy politics interjected in a serious way. ...

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Astrobiology Roundup: Planet Nine, Planet 8.1 and Sweaty Skin

Caleb A. Scharf Dr. Caleb A. Scharf is Director of Astrobiology at Columbia University,and has an international reputation as a research astrophysicist, and asa lecturer to college and public audiences. The UK’s Guardian newspaperhas listed his blog Life, Unbounded, as one of their “hottest scienceblogs,” while an editor at Seed Magazine called it “phenomenal.Informed, fresh, and thoughtful.” Scharf is author ...

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2 New Books Look at Evolution via Teeth and Tunnels

Brush your fossils twice a day. Do it for yourself and for future researchers and museum visitors. Because if any part of you is going to get unearthed millions of years from now, it’ll probably be a tooth. “Teeth are stronger than bones, and they are much more likely to survive the ages,” writes University of Arkansas paleoanthropologist Peter S. ...

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Toxic Compounds May Sterilize Martian Soil

The Martian surface may be even less hospitable to life than scientists had thought. Ultraviolet (UV) radiation streaming from the sun  “activates” chlorine compounds in the Red Planet’s soil, turning them into potent microbe-killers, a new study suggests. These compounds, known as perchlorates , seem to be widespread in the Martian dirt; several NASA missions have detected them at a variety of ...

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Bacteria Might Share the Blame for Eczema

Your skin—like many other parts of your body—is crawling with microscopic critters . “It’s a microbial zoo in a sense.” Heidi Kong, a dermatology researcher at the National Institutes of Health. That microbial zoo—and the types of microbes in it—changes over time. Kong and her team observed those changes during a flare-up of eczema —a condition characterized by itchy, inflamed ...

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Pence Calls for "New Era of Space Exploration" at NASA

CAPE CANAVERAL, Fla. — The Trump administration will seek a heavier emphasis on human-spaceflight efforts, including crewed missions to the moon and Mars, Vice President Mike Pence said today (July 6). During a 25-minute speech at NASA’s Kennedy Space Center (KSC) here on Florida’s Space Coast, Pence told the 700-plus members of the crowd that the United States is “at ...

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