From Molecules to Organisms: Structures and Processes
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PlantsLight pollution could be supercharging your pollen allergies
Light pollution in North American cities seems to be tricking plants into releasing pollen for longer periods each year.
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HumansLet’s learn about adrenaline
In short bursts, this hormone can help you face your fears. But in the long run, too much of it can be unhealthy.
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LifeScientists Say: Clone
This adaptable tech can help with everything from engineering medical microbes to preserving endangered species.
- Animals
This tool-using cow stunned scientists with her smarts
Veronika the cow scratches hard-to-reach body parts using a brush. This feat is forcing scientists to rethink which animals can use tools.
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Health & MedicineMeet CLA, a naturally ‘healthy’ fat in burgers, ice cream and more
Solid at room temp, the natural trans fat conjugated linoleic acid resembles saturated fats — except that it appears good for the body in many ways.
By Janet Raloff -
Health & MedicineHere’s what nutrition experts say about dietary fat
New U.S. dietary guidelines promote eating full-fat dairy and meats. But health experts say nuts and seed oils are better sources of the two crucial fats we need.
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Health & MedicineExplainer: What are ultraprocessed foods?
Packed with chemical additives, these foods have become a major part of our diets. Scientists have begun to worry about how ultraprocessed foods may impact health.
By RJ Mackenzie -
AnimalsFlat-faced dogs often struggle to breathe easy
Pugs and bulldogs aren’t the only dogs with breathing problems. Pekingese, Japanese chins and other squish-faced breeds have this issue, too.
By Jake Buehler -
AnimalsWind won’t keep hungry yellow jackets away from your picnic
Hungry yellow jackets are really good at tracking attractive odors. Even in windy and difficult conditions, they can find your barbecue.
By Jake Buehler - Microbes
Analyze This: Which cells are the speediest?
The cellular Olympics would be an amazing spectacle. Some cells move at mind-boggling speeds by jumping, gliding, swimming, expanding or shrinking.
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ArchaeologyAncient pottery shows the earliest evidence of humans doing math
The numbers of petals painted on 8,000-year-old pottery showed a distinct numerical pattern.
By Tom Metcalfe - Health & Medicine
Got brain rot?
Excessive scrolling through social media or viral videos can mess with your mental health — and possibly alter your brain’s development, studies show.