Curiosity rover searches for new clues about Mars" ancient water
NASA's Curiosity rover has begun exploring a new region of Mars, one that could reveal more about when liquid water disappeared once and for all from the Red Planet's surface. Billions of years ago, Mars was much wetter and probably warmer than it is.....»»
NYT Crossword: answers for Wednesday, December 18
The New York Times crossword puzzle can be tough! If you're stuck, we're here to help with a list of today's clues and answers......»»
Cutting-edge satellite tracks lake water levels in Ohio River Basin
The Ohio River Basin stretches from Pennsylvania to Illinois and contains a system of reservoirs, lakes, and rivers that drains an area almost as large as France. Researchers with the SWOT (Surface Water and Ocean Topography) mission, a collaboration.....»»
Permafrost thaw impacts alpine runoff and water retention
Permafrost, a unique geological phenomenon found in the Qinghai-Xizang Plateau and other high-altitude cold regions, significantly influences the generation of runoff and hydrological processes in frozen watersheds. Its ability to retain water differ.....»»
Prehistoric rock in Japan reveals clues to major ocean anoxic event
By studying prehistoric rocks and fossils emerging from the side of Mount Ashibetsu in Japan, researchers have precisely refined the timing and duration of Ocean Anoxic Event 1a (OAE 1a), an extreme environmental disruption that choked oxygen from Ea.....»»
Building concrete on Mars from local materials
Imagine you've just gotten to Mars as part of the first contingent of settlers. Your first challenge: build a long-term habitat using local materials. Those might include water from the polar caps mixed with specific surface soils. They might even re.....»»
Waal river draws more water, signaling potential Rhine system shift
Historical observations and model computations point to the Rhine system having crossed a tipping point. Since extreme peak flows in the 1990s, the Waal has gradually attracted more water at the Pannerdense Kop bifurcation. This is shown in research.....»»
NYT Crossword: answers for Tuesday, December 17
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Yeast cell wall proteins offer possible alternative to emulsifiers derived from milk
Mention emulsifiers and many people might be unaware of what they are used for, but they are present in many daily products, from food to cosmetics. They keep substances that don't usually mix, like water and oil, from separating and are either synth.....»»
What a century-old grapevine reveals about a disease that plagues wine country
A century-old grapevine cutting is providing new clues into the history of a deadly plant pathogen that is decimating crops across the globe......»»
Mars orbiter spots retired InSight lander to study dust movement
NASA's Mars Reconnaissance Orbiter (MRO) caught a glimpse of the agency's retired InSight lander recently, documenting the accumulation of dust on the spacecraft's solar panels. In the new image taken Oct. 23 by MRO's High-Resolution Imaging Science.....»»
New study says we"re unlikely to find liquid water on Mars anytime soon
More than a hundred years ago, astronomer Percival Lowell made the case for the existence of canals on Mars designed to redistribute water from the Martian ice caps to its lower, drier latitudes. This necessarily meant the existence of Martians to bu.....»»
NASA orbiter captures one last image of retired InSight lander on Mars
An image from NASA's Mars Reconnaissance Orbiter shows one last view of the now-retired InSight lander mission......»»
Twins were the norm for our ancient primate ancestors—one baby at a time had evolutionary advantages
Twins have been rare in human history and for that reason can seem special. Many cultures associate twins with health and vitality, while others see them as a philosophical reminder of the duality of life and death, good and evil. Some famous twins a.....»»
Anthropologists call for tracking and preservation of human artifacts on Mars
Are human spacecraft, landers, rovers and other space-exploration debris little more than trash littering the surface of Mars, or the modern equivalent of Clovis points—treasured artifacts marking Homo sapiens' lust for new frontiers?.....»»
Unlocking the journey of gold through magmatic fluids
When one tectonic plate sinks beneath another, it generates magmas rich in volatiles such as water, sulfur and chlorine. As these magmas ascend, they release magmatic fluids, in which sulfur and chlorine bind to metals such as gold and copper, and tr.....»»
NYT Crossword: answers for Monday, December 16
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Ancient genes pinpoint when humans and Neanderthals mixed and mingled
Neanderthals and humans likely mixed and mingled during a narrow time frame 45,000 years ago, scientists reported Thursday......»»
NYT Crossword: answers for Sunday, December 15
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Saturday Citations: M87* lashes out; a deep sleep discovery; proposal to build a digital cell
I love it when researchers observe an extra-weird particle, and this week, scientists reported the observation of a particle that only has mass when it's moving in a single direction. Good enough! An ancient DNA analysis suggests that Neanderthals an.....»»
NYT Crossword: answers for Saturday, December 14
The New York Times crossword puzzle can be tough! If you're stuck, we're here to help with a list of today's clues and answers......»»