OXON HILL, Md. — Even as technological advances allow astronomers to peer more deeply into the cosmos than ever before, new technologies also have the potential to create blinding pollution.
Three sources of pollution — space debris, radio interference and light pollution — already are particularly worrisome. And the situation is getting worse. In the next two decades, as many as 20,000...
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OXON HILL, Md. — Ever wonder what it would be like to sit at the center of the Milky Way and watch the galaxy swirl by? A video debuted in a January 10 news conference at the American Astronomical Society Meeting provides a glimpse.
The 360-degree-simulation, made with data from several telescopes, including NASA's Chandra X-ray Observatory and the European Southern...
Letters to the Editor
Species shmecies01/10/2018 - 12:37 Evolution, Technology, Astronomy
In “Defining ‘species’ is a fuzzy art” (SN: 11/11/17, p. 22), Susan Milius asked scientists to define “species.” Schoolbooks may define the concept as a group of organisms that create fertile offspring when mating with each other but not when mating with outsiders. But for researchers specializing in the topic, a single definition is hard to come by.
“It seems to me...
If this issue is any clue, 2018 may be the Year of Space. Our pages are packed with a surprising wealth of content for astronomy lovers, and anyone who dreams of otherworldly encounters.01/10/2018 - 12:32 Science & Society, Astronomy, Climate
In our cover story, astronomy writer Lisa Grossman reports on the race to Mars. SpaceX announced last year that it plans to get people to the Red Planet by 2024, but the battle over what humans’...
T he Okarian rover was in trouble. The yellow Humvee was making slow progress across a frigid, otherworldly landscape when planetary scientist Pascal Lee felt the rover tilt backward. Out the windshield, Lee, director of NASA’s Haughton Mars Project, saw only sky. The rear treads had broken through a crack in the sea ice and were sinking into the cold water.
True, there are signs of...
A new kind of artificial cartilage, made with the same kind of fiber that fortifies bulletproof vests, is proving stronger than others.
The fabricated material mimics the stiffness, toughness and water content of natural cartilage, researchers report in the Jan. 4 Advanced Materials. This synthetic tissue could replace the cartilage in a person’s body that naturally wears down and heals...
Internist Gail Povar has many female patients making their way through menopause, some having a tougher time than others. Several women with similar stories stand out in her mind. Each came to Povar’s Silver Spring, Md., office within a year or two of stopping her period, complaining of frequent hot flashes and poor sleep at night. “They just felt exhausted all the time,” Povar says. “The joy...
In movies, exploring the body up close often involves shrinking to microscopic sizes and taking harrowing rides through the blood. Thanks to a new virtual model, you can journey through a three-dimensional brain. No shrink ray required.
The Society for Neuroscience and other organizations have long sponsored the website BrainFacts.org, which has basic information about how the human...
Despite a reputation as mellow apes, bonobos have a thing for bad guys.
Rather than latching on to individuals with a track record of helpfulness, adult bonobos favor obstructionists who keep others from getting what they want. The result may help explain what differentiates humans’ cooperative skills from those of other apes, biological anthropologists Christopher Krupenye of the...
Dead Sea Scrolls safe
The famous Dead Sea Scrolls, rumored lost or damaged during the June war between Israel and Egypt, are safe, according to Antiquity…. On the eve of the war they were packed up and put safely in a strong room in the basement of the Palestine Archaeological Museum (Rockefeller Museum), according to a reliable authority. — Science News, January 20, 1968Update...