Dec. 21, 2017, 2:21 a.m.
Where Does the Sand Come From?
This image from NASA's Mars Reconnaisance Orbiter (MRO) shows one possible place where sand grains are being produced on Mars today.
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A fossilized trackway on public lands in Lake County, Ore., may reveal clues about the ancient family dynamics of Columbian mammoths. Researchers who excavated a portion of the path found 117 footprints thought to represent a number of adults as well as juvenile and infant mammoths.https://www.sciencedaily.com/releases/2018/02/180212160905.htm
The incurable Ebola virus has long been feared due to its high mortality rate and danger of infection. Now researchers have succeeded in inhibiting the virus in cell cultures. The researchers hope to be able to continue doing animal testing and developing an actual drug.https://www.sciencedaily.com/releases/2017/12/171229095139.htm
ENSENADA del CAMELLO. Situada en el núcleo urbano de Santander, junto a la Península de la Magdalena,
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If sand grains get destroyed over time, will earth beaches disapear? At least those far away from sand sources?