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Phys.org / Back-to-back Amazon droughts trigger record forest stress
Two back-to-back droughts in 2023 and 2024 caused the most severe decline in forest moisture and biomass (the total mass of living vegetation such as leaves, trunks and branches) in the Amazon since 1992, according to a study ...
Phys.org / Climate change is outpacing evolution. Scientists are using DNA to catch up
Evolution works over millennia. Climate change is moving far faster. That mismatch is killing some of the planet's most vital ecosystems, from California's towering redwoods to the seagrass meadows along its coast, both of ...
Medical Xpress / Epigenetic changes at birth are associated with an infant's microbiome and neurodevelopment
The gut microbiome and epigenetics—molecular switches that turn genes on or off—are intertwined, and both contribute to neurodevelopment, finds a study published in Cell Press Blue. The researchers showed that epigenetic ...
Phys.org / Alzheimer's-linked protein tau plays a role in cell division
All processes such as wound healing, hair growth, and the replacement of old cells with new ones depend on cell division. During this process, chromosomes inside the cell must be evenly divided between two daughter cells. ...
Phys.org / Peculiar core-collapse supernova breaks the mold with a long, dim plateau
Astronomers from the Chinese Academy of Sciences (CAS) have employed the Lijiang 2.4-m telescope to perform optical photometric and spectroscopic observations of a core-collapse Type IIP supernova designated SN 2024abfl. ...
Medical Xpress / Not wanting to eat protein may be early herald of cancer cachexia
A majority of people with advanced cancers endure cachexia, a muscle-, fat-, and organ-wasting condition that is currently incurable and can be life-threatening. Detecting and intervening early can slow progression, but poor ...
Phys.org / Using menstrual blood-derived particles to treat osteoarthritis
New research by an interdisciplinary team in Lithuania has revealed a promising and unconventional approach to cartilage regeneration. Using extracellular vesicles derived from menstrual blood stromal cells, the researchers ...
Phys.org / Artemis II's grand moon finale is almost here with a Pacific splashdown to cap NASA's lunar comeback
Their dramatic grand finale fast approaching, Artemis II's astronauts aimed for a splashdown in the Pacific on Friday to close out humanity's first voyage to the moon in more than half a century.
Phys.org / Compulsory sex-marking as a threat to personal autonomy
Do our norms around sex presentation uphold a constrictive gender regime? In a new article in Ethics, Ophelia Vedder writes that the abolition of hegemonic gender roles must involve the elimination of "compulsory sex-marking," ...
Medical Xpress / Women's immune systems show bigger age-related changes than men's, study reveals
Statistics show clear differences in the population's immune system according to sex: men are more susceptible to infections and cancers, while women have stronger immune responses, which translate, for example, into better ...
Tech Xplore / From 'BuddhaBot' to $1.99 chats with AI Jesus, the faith-based tech boom is here
For some evangelical Christians, faith is about having a personal relationship with Jesus. At $1.99 per minute, the tech company Just Like Me is taking that concept to a new level.
Tech Xplore / When AI meets muscle: Context-aware electrical stimulation guides humans through new movements
Imagine traveling in a foreign country, reaching for a window you've never seen before, and instead of struggling to open it, you feel your own muscles gently guide you through the motion, as if an invisible teacher was there, ...