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Top Physical/Tech
- Micro-Lisa! Novel Nano-Scale Laser Writing
- Unlocking Supernova Stardust Secrets
- What Controls Sun's Differential Rotation?
- Robot, Can You Say 'Cheese'?
Top Environment
- Cell Division Quality Control 'Stopwatch'
- A Solar Cell You Can Bend and Soak in Water
- Century-Old Powdered Milk in Antarctica
- New Artificial Reef Stands Up to Storms
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Health & Medicine
- Are Golfers at Risk from Pesticides On Courses?
- Smartphones Measure Key Marker for Diabetes
- New Advance Against Heart Failure in Men
- Ketogenic Diet for Severe Mental Illness
Mind & Brain
- Virtual Rehabilitation for Stroke Recovery
- Suppressing Boredom at Work Hurts Productivity
- Familial Alzheimer's Via Bone Marrow Transplant
- Younger Women: Mental Health, Heart Health
Living Well
- Sweeteners Unlikely to Increase Your Appetite
- Heart Disease Risk: More Than One Drink a Day
- Premenstrual Disorders and Perinatal Depression
- Why Do Some Memories Become Longterm?
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Matter & Energy
- Cleaner Ammonia Production
- Are High-Purity Cathode Materials Necessary?
- Pinpointing Freshwater Pollution Sources
- AI Boosts Super-Resolution Microscopy
Space & Time
- New Molecular Signposts in Starburst Galaxy
- Protostars and Newly Formed Planets
- 'Cosmic Cannibals': Fast-Moving Jets in Space
- Deep Space Objects Can Become 'Ice Bombs'
Computers & Math
- Immersive Projection Mapping
- Artificial Nose for Gas Sensing, Odor Detection
- AI to Locate Damage to Brain After Stroke?
- A New Type of Cooling for Quantum Simulators
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Plants & Animals
- Climate, Deforestation: Damage to Animal World
- Canada Lynx Historic Range in US
- The Great Gray Owl in the City
- Social Status Leaves Traces in the Epigenome
Earth & Climate
- Simple Equations Clarify Cloud Climate Conundrum
- Lyrebird: One Real Song-And-Dance Bird
- Variability of Jet Streams in Northern ...
- Manganese: Soil Carbon Sequestration
Fossils & Ruins
- Appearance of a 6th Century Chinese Emperor
- More Heat Likely to Reach Antarctica
- In Paleontology, Correct Names Are Key
- Mystery of Dorset's Cerne Giant
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Science & Society
- The Grey Seal Hunt Is Too Large
- Obesity: Global Study Tracks BMI Measurements
- Heat, Cold Extremes: Solar, Wind Energy Use
- N. American Cities: Major Species Turnover?
Education & Learning
- Most Teens Worry How Sick Days Impact Grades?
- Effective Teachers: Range of Student Abilities
- Students Contribute to Exoplanet Discovery
- 'Transcendent' Thinking May Grow Teens' Brains
Business & Industry
- Pairing Crypto Mining With Green Hydrogen
- Feeling Apathetic? There May Be Hope
- Tensions Between Individual and Team Wellbeing
- AI Can Track Hockey Data
- Simple Brain-Computer Link: Gaming With Thoughts
- DNA Study IDs Descendants of George Washington
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Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries ...
Those who slept 5 to 6 hours were 4.2 times more likely to get sick, but those who slept 6 to 7 hours per night were at no greater risk of catching the cold than those who slept 7 hours or more, suggesting that there's a sleep threshold for potent immune defense. Advertisement. "Sleep often takes a back seat to other health behaviors like ...