Archaeologists excavating in the province of Soria, Spain, have uncovered a previously unknown Celtoiberian city. The Celtiberians were a tribal people that inhabited an area in the central-northeastern Iberian Peninsula.…
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Pupil Size Regulated by Orexin, Not Stress Hormones
Summary: Researchers have discovered that the neurotransmitter orexin, not the stress hormone noradrenaline, regulates pupil size, challenging prior understanding. Orexin neurons affect pupil size in response to emotional states and…
AI tool ‘reads’ brain tumors during surgery to help guide decisions
Scientists have developed an artificial intelligence (AI) tool capable of deciphering a brain tumor’s genetic code in real time, during surgery—an advance they say could speed diagnosis and personalize patients’…
Positive parenting can help protect against the effects of stress in childhood and adolescence, new study shows
Credit: Pixabay/CC0 Public Domain Warm and supportive parenting may buffer against the effects of stress during childhood and adolescence. That is the key takeaway of our recent study, published in…
Pandemic babies behind on communication at age 2, but other developmental areas remain unaffected, finds study
Credit: Prostock-studio/Shutterstock The world changed for all of us when we were suddenly plunged into a pandemic in 2020. COVID sent us into a series of lockdowns in a bid…
Astronomers observe subpulse drifting and nulling of pulsar PSR J0026–1955
Each pulse stack (pulse phase vs. pulse number) represents the variety of subpulse drifting sequences shown by PSR J0026–1955 at 400 MHz (using uGMRT). Bright yellow diagonally arranged pixels around…
Crosswords and chess may help more than socializing in avoiding dementia
Credit: Pixabay/CC0 Public Domain Computer use, crosswords and games like chess are more strongly associated with older people avoiding dementia than knitting, painting or socializing, a Monash University study has…
How America’s push for the atomic bomb spawned enduring radioactive waste problems in St. Louis
Coldwater Creek flows Friday, April 7, 2023, in Florissant, Mo. The creek was contaminated when nuclear waste from the Manhattan Project flowed into the waterway past homes, schools and businesses.…
Hubble views a galactic monster
Credit: ESA/Hubble & NASA, H. Ebeling The NASA/ESA Hubble Space Telescope has captured a monster in the making in this observation of the exceptional galaxy cluster eMACS J1353.7+4329, which lies…
