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Phys.org / Two-color light steers electrons through graphene's transient topological state
The electronic properties of materials are typically determined by their structure under normal, undisturbed conditions, when they are in a state known as equilibrium. Intense light beams, however, can temporarily reshape ...
Medical Xpress / Ebola vaccine being tested in DR Congo outbreak zone
Health workers in parts of the Democratic Republic of Congo badly hit by a deadly Ebola outbreak launched a test vaccination program Saturday to see whether vaccines designed for a different strain of the virus could prove ...
Medical Xpress / White matter 'bridge' bundles link brain hierarchy levels to broader mental functions
To enable movement, perception, memory, reasoning, emotion and various other functions, the human brain heavily relies on communication between different regions. This communication also takes place via white matter, tissue ...
Phys.org / The monsters that weren't: Dinosaur and tusked-beast claims in San rock art unravel
For decades, an idea has grown in paleontology that, long before scientists began digging up and reconstructing dinosaur bones, the Indigenous San and Basotho in southern Africa noticed them too, incorporating them into songs, ...
Phys.org / How the malaria parasite boosts its transmission potential under stress conditions
The malaria parasite is able to detect changes in its host's environment and respond by increasing the production of sexual forms capable of being transmitted to mosquitoes. A study led by the Barcelona Institute for Global ...
Phys.org / Global population dataset uses buildings to reveal people's daily movement patterns
Researchers at the Department of Energy's (DOE) Oak Ridge National Laboratory (ORNL) have released LandScan Mosaic, a next-generation global population distribution dataset that estimates where people are by modeling how ...
Phys.org / A molecular bridge connects two signaling pathways critical for pollen development
Cells rely on complex signaling networks in which different molecular pathways communicate with one another. Small GTPases act as molecular switches in these networks, controlling diverse cellular processes such as intracellular ...
Phys.org / At an old steel site in Pittsburgh, bacteria evolved to survive—and eat—industrial pollution
Across Appalachia and the Rust Belt region, including throughout the city of Pittsburgh, former industrial sites are being transformed into new neighborhoods, research centers and technology hubs.
Phys.org / Loss of Y chromosome in men could be an early warning sign of cancer
A study initiated by Dr. Dan Theodorescu, a physician-scientist at the University of Arizona Cancer Center, revealed that the loss of the Y chromosome in men's body tissue could pave the way for cancer to develop. According ...
Phys.org / Sacred springs of South Africa—pure waters or polluted? We found tiny bits of plastic in the samples we tested
Across South Africa, natural springs are more than sources of freshwater. Some are places of healing, spiritual cleansing and rituals, where communities collect water and maintain longstanding cultural connections with the ...
Phys.org / Scientists simulate cosmic crashes to test whether icy moons gain or lose their ability to sustain life
Many of the moons orbiting Saturn, Uranus and Neptune likely conceal oceans of liquid water beneath miles of icy shell. Because life as we know it needs water, these buried oceans rank among the most promising places to search ...
Phys.org / Protein map reveals how red blood cells rapidly adjust to low oxygen
Scientists map the hidden protein network that helps red blood cells adapt to oxygen
