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Tag Archives: environment

Martian microbes, maybe

By Stephen Ornes / March 21, 2013

The first sample of Martian rock drilled by the rover Curiosity. Scientists say the rock provides evidence that microbes could have once lived on Mars. Credit: NASA, JPL-Caltech, MSSS

Permission: press photo, NASA public domain

Billions of years ago, Mars could have been teeming with very small Martians

Posted in Space | Tagged aliens, astrobiology, California Institute of Technology, Caltech, chemicals, crater, Curiosity, elements, environment, extraterrestrial life, getinvolved, habitability, John Grotzinger, Mars, Martian water, Michael Meyer, minerals, NASA, planets, space, topstories

Killer cats

By Stephen Ornes / February 7, 2013

Cats kill between 1.4 billion and 3.7 billion birds every year in the United States, according to a new study. Credit: Emily Krieger

Puss may pose the single biggest threat to birds

Posted in Animals | Tagged biology, birds, cats, conservation, conservation biology, D.C., environment, felines, feral, Gary Langham, getinvolved, mammals, National Audubon Society, nonnative species, Peter Marra, pets, Smithsonian, Stanley Temple, topstories, Washington, wild

The origins of mummies

By Stephen Ornes / August 27, 2012

South America’s Chinchorro people mummified their dead long before the ancient Egyptians. One of the Chinchorro methods used human-hair wigs and red dye made from ochre. Credit: Bernardo Arriaza

Scientists speculate on why ancient South Americans started preserving their dead

Posted in Ancient Times | Tagged ancient people, anthropology, Chile, culture, Daniel Sandweiss, desert, ecology, environment, getinvolved, mummification, mummy, Pablo Marquet, Peru, Pontificia Universidad Católica de Chile, preservation, religion, South America, topstories, University of Maine in Orono