“Black-Hole-Scope” Provides Insight into Space Directly Surrounding a Supermassive Black Hole

ENLARGE / Thanks to this unusual set-up, they could pick out very small structures in the distant galaxy, corresponding to the vicinity of the supermassive black hole. The black hole is devouring material from its surroundings while firing powerful jets of particles that emit light up to the high energies of gamma rays. Observing these jets […]

Hubble Views Spiral Galaxy LEDA 89996

This newly released Hubble image shows spiral galaxy J04542829-6625280. Enlarge This little-known galaxy, officially named J04542829-6625280, but most often referred to as LEDA 89996, is a classic example of a spiral galaxy. The galaxy is much like our own galaxy, the Milky Way. The disc-shaped galaxy is seen face on, revealing the winding structure of […]

Wheel Worries: Mars Rover Curiosity Dealing With Damage

Curiosity rover made use of its Mastcam: Left camera on April 21, 2015, Sol 962, to take this wheel image.Credit: NASA/JPL-Caltech/MSSS Enlarge NASA's Mars rover Curiosity faces ongoing wheel wear and tear as it continues its trek across the rock-strewn Red Planet. The car-size Curiosity rover has been on duty since landing on Mars in August 2012. […]

Gas sensors promise advances in Earth science

Rice University researchers have received a Keck Foundation grant to develop new tools to study Earth's microbes. Credit: Rice University Rice University has been awarded a $1 million grant by the W.M. Keck Foundation to develop gas-releasing microbial sensors for the study of soil and marine life. The grant is in support of the work […]

Perennial biofuel crops’ water consumption similar to corn

Michigan State University research shows that perennial crops' evapotranspiration did not differ greatly from corn — a finding that contrasts sharply with earlier studies. Credit: Michigan State University Enlarge Converting large tracts of the Midwest's marginal farming land to perennial biofuel crops carries with it some key unknowns, including how it could affect the balance […]

Driving with a Marijuana High: How Dangerous Is It?

Credit: Yellowj/Shutterstock.com Most Americans think that driving while high on marijuana isn't that dangerous, according to a recent Gallup poll. About 70 percent of people polled said that people who drive while impaired by marijuana are "not much of a problem" or only a "somewhat serious problem," whereas just 29 percent said it was a […]

Rare Whale: White Humpback Seen off New Zealand

Researchers conducting a whale survey in New Zealand's Cook Strait yesterday spotted a very rare white humpback whale. (Photo : Creative Commons: New Zealand Department of Conservation ) Herman Melville's Captain Ahab, that follower of the white whale, would be stirred to action by recent events. That's because a ghost-colored humpback whale was spotted yesterday […]

Tundra study uncovers impact of climate warming in the Arctic

Scientists are using ring growth data, like these shown in a willow shrub, to assess the age and growth of shrubs in a huge study of the Arctic tundra. Credit: Isla Myers-Smith Enlarge Significant changes in one of the Earth's most important ecosystems are not only a symptom of climate change, but may fuel further […]

Clinical Trials Show That Exercise is Not Universally Effective

A systematic review of 160 clinical trials of the cardiometabolic benefits of exercise shows that exercise significantly improved cardiorespiratory fitness and some cardiometabolic biomarkers, but the effectiveness of exercise varied based on participants age, sex, and health status. Providence, Rhode Island (Brown University) — Everyone knows that exercise generally helps the cardiovascular system, but much […]

20 Startling Facts about American Society and Culture

More than 40 percent of Americans believe in ghosts, according to a poll. Credit: katalinks/Shutterstock.com Americans are a diverse, wacky group of people, and here are some numbers to prove it. From the amount of trash we churn out to our very odd beliefs, here's a look at some startling facts about Americans. 1. Junk galore. Each […]

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