NeuroscienceAging is a gradual decline in the energy supply to the cell. Scientists found that the protein Sirtuin 6 is a key factor regulating the activity of mitochondria (the cell’s power plants) in the brain. These findings will help develop new prevention and treatment approaches for aging. (nature.com)
submitted by Skoltech_
MedicineMale contraceptive shows promise in mice. The drug inhibits an enzyme that is essential for sperm mobility, and a single dose was found to be 100% effective in preventing pregnancy for two the first two hours, and 91% effective for the first three, without affecting normal mating behaviour. (scimex.org)
submitted by MistWeaver80
Social ScienceA Pennsylvania Supreme Court decision eliminating mandatory minimum prison sentences did not affect crime rates. "These findings tentatively suggest that many mandatory minimums can be repealed without risking public safety." (tandfonline.com)
submitted by isaac-get-the-golemGrad Student | Sociology
HealthAnatomic maps of erogenous sensation and pleasure in the penis: New study finds that circumcision has no effect on either the erogenous nor orgasmic function of the penis and circumcised men report that a significantly greater surface area of their penis is “pleasurable when touched during sex.” (academic.oup.com)
submitted by _circumscientist
MedicineSperm-Slowing Male Contraceptive Reversibly Inhibits Mouse Fertility: A new inhibitor molecule "paralyzes" sperm temporarily, rendering male mice infertile for several hours. Researchers hope that it could one day be given as a contraceptive that lets couples make on-demand fertility decisions. (technologynetworks.com)
submitted by rjmsciMS | Clinical Neuroscience
EnvironmentAntarctic and Greenland ice sheets set to cause major sea level rise above 1.8 degrees of warming. The Antarctic and Greenland ice sheets are projected to contribute about 1.4 m to global sea levels by 2150, under a future high-emission scenario, according to new climate modelling simulations. (scimex.org)
submitted by MistWeaver80
HealthPaxlovid Remains Potent Against Omicron COVID Infections. Paxlovid significantly reduced rates of hospitalization and death. It was effective in preventing hospitalization among almost all the important subgroups of outpatients who qualify for its use, including those who are vaccinated. (linkinghub.elsevier.com)
submitted by Wagamaga