Physics
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PhysicsScientists Say: Watt
Say Watt? This is a unit used to measure the flow of energy being used.
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AnimalsLess brilliant flowers still keep bees coming back
Bumblebees prefer petals that aren’t overly shimmery. This suggests plants are attuned to what insects see.
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PhysicsScrubbing bubbles: Secret to ouch-free dental cleanings?
People with sensitive teeth can find routine dental cleanings painful. But bubbles might pave way to no-touch — and pain-free — cleaning for these people.
By Ilima Loomis -
EnvironmentEggshells help hatch a new idea for packaging
Why just crack an egg? Make the shell into itty bitty bits and use them to build a more biodegradable plastic. New research shows how.
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Materials ScienceGoo-oozing deicer protects surfaces
New, slime-oozing coating might someday help reduce ice and snow buildups on road signs and aircraft wings. The inspiration? The goo produced by slugs.
By Sid Perkins -
PhysicsBlowing bubbles for science
What is most important when blowing bubbles? Air speed, not the thickness of the soap film, scientists find.
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ClimateCool Jobs: The power of wind
Science and engineering careers explore all aspects of wind, from terrible tornadoes to aeronautics and clean energy.
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PhysicsNew football helmets could limit brain injuries
A new design for football helmets uses three layers to absorb energy from repeated impacts. The result should be fewer athletes with brain injuries.
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PhysicsScientists Say: Potential energy
This is the energy an object has because of its position or condition.
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PhysicsSay hello to gravity waves
Einstein predicted these waves 100 years ago. Scientists have finally proven him right.
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Health & MedicineFlexible electronics track sweat
A flexible, wireless health monitor that can wrap around the wrist tracks temperature and analyzes sweat to detect signs of too much water loss.
By Meghan Rosen