Engineering Design
-
ChemistryGotcha! New test stalks diseases early
Chemists screen blood for disease markers by adapting a common DNA test. The test can find disease earlier, when it also may be easier to treat.
-
Sewing circuits: A crafty way to get kids interested in STEM
Many classrooms teach electric circuits with batteries and wires. But with e-textiles, students can help design and light up their own art projects.
-
Health & MedicineCool jobs: Brainy ways to battle obesity
Scientists from different fields are tapping into connections between food and the brain to help people fight obesity and overcome the urge to overeat.
-
ChemistrySmash hit: Making ‘diamond’ that’s harder than diamonds
Scientists had suspected extreme meteorite impacts might turn graphite into an unusual type of diamond. Now they’ve seen it happen — in under a nanosecond.
By Beth Geiger -
GeneticsGenes: How few needed for life?
Scientists rebuilt a microbe using its old genes. But not all of them. They used as few building-blocks as they could get away with and still have the life-form survive.
-
MicrobesMicrobes mine treasure from waste
Like miniature factories, bioreactors house microbes recruited to chew through wastes to clean dirty water, make chemicals or generate electricity.
-
TechGoo-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 -
TechPlastic that mimics insect wings kills bacteria
A new ‘antibiotic’ plastic uses nanotechnology to mimic the hairs on insect wings. Then ouch! Bacterial cells that land on it end up stabbing themselves to death.
-
TechCool Jobs: The power of wind
Science and engineering careers explore all aspects of wind, from terrible tornadoes to aeronautics and clean energy.
-
BrainWhen smartphones go to school
Students who use smartphones and other mobile technology in class may well be driven to distraction. And that can hurt grades, studies show.
-
TechOuchless measles vaccine could save lives
A new ‘ouchless’ vaccine patch that uses dissolving microneedles could make efforts to vaccinate against measles more practical.
-
AnimalsPicking a better porch light
Lights can vary in brightness and ‘color’ — even those that are sold as white. A new study tested which lights attracted the most bugs.
By Sid Perkins