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Medical Xpress / Deadly DR Congo Ebola outbreak spreads to M23-held South Kivu

An Ebola outbreak in the Democratic Republic of Congo has spread to eastern South Kivu province in an area under the control of the Rwanda-backed M23 militia, the group's spokesman said Thursday, heightening fears of the ...

3 hours ago
Phys.org / Overpopulation can impair fertility. A new study explains why

Scientists have reported it for decades: overpopulation can impair reproduction. Crowded chickens lay fewer eggs. Crowded mice have smaller broods. In humans, several studies have associated increased population density with ...

15 hours ago
Phys.org / NASA's AWE instrument completes mission to study Earth's effect on space weather

On May 21, ground controllers powered down NASA's AWE (Atmospheric Waves Experiment) instrument, bringing the data collection phase of the mission to a successful and scheduled end, surpassing its planned two-year mission.

12 hours ago
Phys.org / Television news coverage of climate policy is limited and polarized in the US, study finds

Two-thirds of Americans want action on climate change, but people vastly underestimate public support for climate solutions and policy. Historically, U.S. news outlets overrepresented views on climate change that went against ...

13 hours ago
Phys.org / Particle-by-particle tracking reveals uneven nanoparticle drug release

Precision medicine aims to transport therapeutic agents, such as molecules, proteins or RNA, to the exact place where they need to act within the body. One of the most promising strategies is the use of nanocarriers: nanoparticles ...

14 hours ago
Phys.org / Mangrove loss threatens Sierra Leone's oyster harvesters

For 20 years, Millicent Turay has supported her family by collecting mangrove oysters near Sierra Leone's capital, Freetown, a common livelihood along the west African coast.

3 hours ago
Medical Xpress / Why energy fades with age: Missing membrane lipid may destabilize mitochondria

Why do cells age—and why do we lose our energy and vitality as we get older? This question is one of the central challenges of modern biomedicine. The focus is particularly on mitochondria—tiny cellular organelles long known ...

15 hours ago
Phys.org / Complexity isn't subjective—the right amount results in new material properties

Complexity may seem subjective, but a quantitative measure of the complexity of nanomaterials was recently developed by a team of researchers from the University of Michigan Engineering, the University of Southern California ...

13 hours ago
Phys.org / Evolutionary arms race stretches hawkmoths and flowers to extremes

Long before his days of research, Christian Couch was just a kid marveling at the butterflies in the Florida Museum of Natural History's Butterfly Rainforest. Years later, after enrolling as an undergraduate student at the ...

14 hours ago
Tech Xplore / Giant wind turbine rises in Germany amid far-right headwinds

A wind turbine billed as the world's tallest is rising in eastern Germany, winning praise as a beacon for a clean, green energy future and headwinds from the far-right AfD party.

4 hours ago
Medical Xpress / Mental disorders have nearly doubled since 1990, now affecting 1.2 billion people worldwide

Nearly 1.2 billion people worldwide are living with a mental disorder, nearly double the number recorded in 1990. According to a new study, this stark rise has placed mental disorders as the leading cause of disability globally, ...

13 hours ago
Phys.org / Why promising CO₂-to-fuel catalysts keep falling short of copper

Technology that converts carbon dioxide (CO₂) into fuels and plastic feedstocks using electricity is gaining attention as a core technology in the era of carbon neutrality. In particular, ethylene and ethanol are high-value ...

14 hours ago