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ChemistryBeyond diamonds: Search is on for rare carbon crystals
A search for previously undiscovered carbon minerals was announced in December 2015. Researchers have begun finding a handful and are actively scouting for dozens more.
By Sid Perkins -
AnimalsScientists are rethinking the dinosaur family tree
The dinosaur family tree consists of three main branches. Or maybe not. A new study suggests a rewrite is due.
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ChemistryScientists Say: Isotope
An isotope is a variety of an element that has the same number of protons but a different number of neutrons — or neutrally charged particles.
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BrainTwo brain areas team up to make mental maps
To find your way around, you need to remember where you are and plan ahead. A new study shows there’s a brain area for each task.
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PhysicsGetting ready for the solar eclipse
A total solar eclipse will race across the continental United States in August 2017. Scientists and the public are preparing to watch and learn.
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TechHow to safely watch a solar eclipse
Certified safety glasses are a must for protecting your eyes when looking at the sun. Here’s how to safely enjoy a solar eclipse, like the one on August 21, 2017.
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ChemistryScientists know that you pee in the pool
A new way to find urine in pools and hot tubs measures the concentration of an artificial sweetener in the water.
By Sid Perkins -
PhysicsEclipses come in many forms
Eclipses are one of nature’s most awesome spectacles, and scientists have learned a lot by observing them and related celestial alignments — occultations and transits.
By Sid Perkins -
Health & MedicineÖtzi the mummified Iceman actually froze to death
Ötzi the Iceman, a mummy whose icy 5,300-year-old remains turned up in the Alps in 1991, died of the cold — not murder. That’s the result of new forensic analyses.
By Bruce Bower -
Health & MedicineConcerns explode over new health risks of vaping
A host of brand new studies unearth worrisome health concerns related to teen vaping.
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Life‘Nanostraws’ safely sneak a peek inside cells
Scientists have developed tiny straws that let them peek inside a living cell without killing it or even damaging it.
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PlanetsScientists Say: Eclipse
How the sun, moon and Earth line up determines whether there’s a solar or lunar eclipse.