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Phys.org / Q&A: Apollo astronaut Schmitt talks about getting back to the moon and life in the universe

It was 1972 and Apollo astronauts Harrison "Jack" Schmitt and Eugene Cernan had just stepped onto the moon's surface to begin collecting rock and soil samples.

4 hours ago
Medical Xpress / Gene-screen strategy separates Parkinson's promoters from protectors, revealing new drug targets

A novel strategy that combines computational and experimental approaches has allowed researchers at Baylor College of Medicine and the Duncan Neurological Research Institute (Duncan NRI) at Texas Children's Hospital to distinguish ...

15 hours ago
Medical Xpress / Dopamine deficiency found to drive memory impairment in Alzheimer's disease

Why do memories fade in Alzheimer's disease—and can they be restored? University of California, Irvine researchers have uncovered a key mechanism underlying memory loss, showing for the first time that dopamine dysfunction ...

16 hours ago
Medical Xpress / A global fertility reversal is unfolding, and it could upend who becomes parent in decades ahead

With few exceptions, birth rates are falling worldwide. What does this mean? Put simply, the fertility rate describes the average number of children a woman is expected to have over the course of her life, if exposed to the ...

17 hours ago
Phys.org / Room to move: Neutron scattering shows how proteins behave in crowded environments

Proteins are essential molecules in living systems. They move, interact and organize themselves to carry out a wide range of functions, from helping cells communicate to forming structures inside the cell. In many cases, ...

16 hours ago
Medical Xpress / Freeze-dried platelet product slows swelling and bleeding in traumatic brain injuries

A freeze-dried blood product that could be stored for years on ambulances or in remote emergency departments is showing promise at treating traumatic brain injuries. The news comes from a mouse study done by researchers at ...

15 hours ago
Medical Xpress / Inside lymph nodes, an overlooked cell type quietly directs immune battles in ways that could reshape medicine

The research group of prof. Sanjiv Luther at the department of immunobiology of the University of Lausanne has discovered that a fibroblast subtype is essential for coordinating certain immune cells within lymph nodes. This ...

16 hours ago
Medical Xpress / Astrocytes reveal fragile X pathway tied to seizures and synapse problems

Fragile X syndrome (FXS) is an inherited genetic developmental condition that strongly impacts brain development. Despite the syndrome stemming from an altered genetic code for the single protein fragile X messenger ribonucleoprotein ...

15 hours ago
Medical Xpress / Selection model helps explain why most human pregnancies are singletons

Each month during a woman's menstrual cycle, an ovary prepares 10–20 antral follicles, fluid-filled sacs that hold immature eggs, for maturation. In most cycles, only one follicle is selected to undergo maturation, eventually ...

15 hours ago
Phys.org / Brazil unearths a bizarre beaked reptile with a trans-Atlantic prehistoric link

Paleontologists from the Federal University of Santa Maria (UFSM) have published a new study in the scientific journal Royal Society Open Science, in which they describe a new species based on a fossil skull approximately ...

18 hours ago
Tech Xplore / Tiny, knotted robots jump, fly and plant seeds

When a knot lets go, it doesn't just fall apart. It snaps. That simple observation led Penn Engineers to rethink what a knot can do. Instead of treating it as something that holds tension, they asked a different question: ...

18 hours ago
Phys.org / E. coli editing technique expands into a universal toolkit for rewriting bacterial DNA

The ability to precisely edit the genomes of bacteria has long been a goal of microbiologists. Such technology would enable scientists to make new inroads into studying disease, developing sustainable materials, and fighting ...

16 hours ago