Lindsey Konkel | Science News for Students

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Lindsey Konkel

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periodical cicada on a leaf

Periodical cicadas spend most of their life underground, sucking sap out of tree roots. Once every 13 or 17 years, they all emerge from the ground to mate and then die.

USDAgov

 Chemistry
Why are cicadas such clumsy fliers?
Chemical analysis of the insects’ wings by a teen and his dad now offers clues
cut onion

A complex chemical reaction takes place when an onion is cut. The resulting compound is a real tear jerker.

angelsimon/istockphoto

 Chemistry
Why onions make us cry
Scientists discover new clues to the complex steps involved in this common kitchen chemistry
vape waterfall

Tricks using the vapor clouds from e-cigarettes and other vaping devices are popular among some teens. Researchers now worry these behaviors could boost health risks. Here, a vaper creates a “waterfall.”

Aleksandr Pogudin/iStockphoto

 Health
Vape tricks could increase health risks, experts warn
Stunts could expose teens to higher levels of harmful chemicals, scientists worry
vaccine shot

Most vaccines are given through injections, but some can be given by nose or mouth.

Remains/iStockphoto

 Health
Explainer: What is a vaccine?
Vaccines imitate infections to prevent illness
Japan atmosphere

The view from a plane in which atmospheric scientists are taking air measurements over Japan. They’re looking for airborne particles that might prove a trigger for Kawasaki disease.

Roger Curcoll, IC3

 Health
Hunting the mysterious source of a global illness
As Kawasaki disease is on the move, hitting kids across the planet, researchers team up to identify its cause
Microrobot artery
 Robotics
Therapeutic robots may soon swim within the body
Scientists look to nature for clues about how to build and power these microrobots