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Math & Technology

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"Grid," by math artist Henry Segerman, explores mathematical concepts using projections. This 3-D printed sculpture is a patterned sphere. When light shines through the openings from above, the shadows form a square grid.

H. Segerman

Culture
 
Jun 6, 2019
For these artists, math is their muse
a photo of InSight lander’s seismometer on Mars

The InSight lander’s seismometer, shown here on Mars (protected by a dome), appears to have detected its first quake.

JPL-Caltech/NASA

Planets
 
Jun 4, 2019
Was that a Marsquake?
a photo of a group of green disk robots

Individually, each of these disks can only expand and contract in place. But together, when loosely connected by magnets, they can complete a task like moving toward a light.

Shuguang Li/Columbia Engineering

Robotics
 
Jun 3, 2019
This robot’s parts are helpless alone, but turn smart as they team up
a surfer surving on a blue wave

Not just great for surfing, waves may be the next big thing in renewable energy.

EpicStockMedia/iStock/Getty Images Plus

Sustainability
 
May 30, 2019
Ocean energy could be the wave of the future
two girls work on a math problem together on a whiteboard

Two girls work together solving a math problem in class. Such collaboration in class may represent a new approach to learning math better.

Antonio_Diaz/iStock/Getty Images Plus

Mathematics
 
May 20, 2019
Science is helping kids become math masters
an photo of hnds using a smarphone with an illustration of data floating above the screen

“There is no 100-percent-secure software,” says Craig Williams. “It does not exist.” He is one of many cybersecurity experts working to protect people’s data and devices. But everyone should take steps to protect themselves.

PeopleImages/E+/Getty Images

Computers & Electronics
 
May 9, 2019
You can fight back against cyberattacks
Afghan minefield

This sign in English and Arabic warns pedestrians that live land mines still litter this field in Afghanistan.

manxman/iStock/Getty Images Plus

Physics
 
Apr 30, 2019
Heat signatures help track down old and still deadly land mines
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“Unfolding Object” is a piece of online artwork by John F. Simon Jr.  It had stopped running on most modern computers. But a new digital fix lets viewers interact with this artistic creation again.

John F. Simon, Jr., Unfolding Object (2002), Solomon R. Guggenheim Museum.

Computers & Electronics
 
Apr 24, 2019
These scientists help rescue ‘broken’ digital art
a photo of the ALMA array, a group of radio telescopes with large dishes

A network of telescopes across the globe — including ALMA in Chile (partially shown here) — teamed up to create the Event Horizon Telescope. It’s a virtual radio dish almost as big as Earth.

Carlos Padilla/AUI/NRAO

Astronomy
 
Apr 10, 2019
It took a ‘virtual’ telescope to actually picture a black hole
Kasper Moth-Poulsen shows off a solar collector

Kasper Moth-Poulsen shows off the solar collector his team used to test its liquid battery.

Johan Bodell/Chalmers University of Technology

Chemistry
 
Mar 29, 2019
Shape-shifting chemical is key to new solar battery
Latest Headlines
a photo of a suburban road lined with trashcans and trees

Many cities plant trees to absorb CO2 and stop temperatures from rising to dangerous levels. But a new study shows city trees grow faster and die younger than forest trees. That means city trees will absorb less CO2.

mastersky/iStock/Getty Images Plus

Environment
City living makes trees grow fast but die young
a photo of a young woman (head cropped out) pushing away a plate of donuts, holding a fruit smoothie and with a salad in front of her

Kids and teens were more likely to choose healthy foods once they understood how food companies have designed ads to manipulate them.

Kiwis/iStock/Getty Images Plus

Nutrition
Youthful rebellion leads some teens to eat better
a sign that reads no narcotic overdose, naloxone dispensing pharmacy in front of blurry pharmacy shelves

With a prescription, people can get naloxone from a pharmacy to have in case they, or someone they know, overdoses on opioids. 

Sign: Pureradiancephoto/iStock/Getty Images Plus; Background: Kwangmoozaa/iStock/Getty Images Plus; adapted by L. Steenblik Hwang

Scientists Say
Science Education
Scientists Say: Naloxone
a high-speed animation showing how aphids repair a hole in their home

If a predator breaks through the wall of the gall housing these aphids, some of the tiny insects will exude a goo that will harden and plaster shut the opening. Unfortunately, the home-repair crews will likely lose their life in the process.

M. Kutsukake et al/PNAS 2019

Animals
Young aphids sacrifice themselves to make home repairs