Although Mars is currently a cold, dry planet, geological evidence suggests that liquid water existed there around 3 to 4 billion years ago. Where there is water, there is usually life. In their quest to answer the burning ...
Astrobiology
22 hours ago
0
35
Indiana University researchers have uncovered key insights into the dangerous phenomenon of "river avulsion," offering a way to predict when and where rivers may suddenly and dramatically change course. Published in Nature, ...
Earth Sciences
22 hours ago
0
74
The importance of testing for diseases was thrust into the limelight during the COVID-19 pandemic. Many of us have undergone a PCR (Polymerase Chain Reaction) or ELISA (Enzyme-Linked Immunosorbent Assay) test within the past ...
Bio & Medicine
22 hours ago
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1
The Arctic frequently experiences temperatures that support the formation of mixed-phase clouds that contain supercooled liquid droplets and ice crystals. The composition of such clouds plays a crucial role in the region's ...
Earth Sciences
22 hours ago
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1
Only about 10% of the world's roughly 4,000 snake species have venom strong enough to seriously hurt a human, but that's enough for snake bites to be an important public health concern. To help better understand how snakes ...
Ecology
Sep 19, 2024
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9
Japan in spring is famous for its cherry blossoms, or sakura, which begin flowering in the southern region of Kyushu and blaze upwards to the remote north of Hokkaido. The most abundant cherry tree cultivar, Somei Yoshino, ...
Molecular & Computational biology
Sep 19, 2024
0
5
Lavas from hotspots—whether erupting in Hawaii, Samoa or Iceland—likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic hotspots published in Nature Geoscience.
Earth Sciences
Sep 19, 2024
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84
A researcher from the University of Southampton (UK) has found evidence that the treeless, rugged, grassland landscape of the Falkland Islands was home to a lush, diverse rainforest up to 30 million years ago.
Earth Sciences
Sep 18, 2024
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43
Depression is a significant challenge to diagnose and treat. Among the factors influencing depression onset and severity, there is growing evidence for chemical imbalances that generate oxidative stress throughout the body. ...
Bio & Medicine
Sep 18, 2024
0
26
Income and wealth inequality in the U.S. remain near all-time highs. Analysts say this disparity is a "major issue of our time." Experts have spotlighted deep policy failures fueling the problem and helpful economic fixes ...
Social Sciences
Sep 18, 2024
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