Drinking too little water may amplify stress response
People who drank less than 1.5 liters of fluid per day had a cortisol response to stress over 50% higher, according to a new study.
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Smartphone cameras can now detect molecules
Scientists convert smartphone cameras into molecular detectors.
New megaraptor species discovered with crocodile remains in its mouth.
New megaraptor species found in Argentina with evidence of a crocodile in its mouth.
Repetitive negative thinking linked to cognitive decline in older adults
Repetitive negative thinking may accelerate cognitive decline in older adults.
Probiotics boost cognitive function in older adults
Probiotics may improve cognitive function in older adults, especially after 12 weeks of daily intake.
Engineered Salmonella shrinks colon cancer in mice
Scientists engineer Salmonella to self-destruct in tumors, shrinking colon cancer in mice.
Living heart valves grow with children, reduce future operations
Living heart valves grow with children, reducing future operations and immunosuppressants.
Patient deaths rise in hospitals acquired by private equity.
Private equity ownership of hospitals linked to increased patient deaths in emergency departments.
Marriage adds little to life satisfaction beyond cohabitation.
Living with a partner boosts life satisfaction, but marriage adds little extra, a new study finds.
Unusual diamonds reveal secrets of Earth's mantle.
Diamonds with opposing materials offer clues to Earth's mantle composition.