HS-ETS1-1
Analyze a major global challenge to specify qualitative and quantitative criteria and constraints for solutions that account for societal needs and wants.
- Humans
A growing share of teens feels lonely at school
Data from kids in 37 nations links this to use of cell phones and the internet.
- Health & Medicine
What to know as Pfizer’s COVID-19 vaccine rolls out for kids under 12
After a trial in which no unusual side effects were reported, and approval by the FDA and CDC, kids ages 5 to 11 will be able to receive the COVID-19 vaccine.
- Chemistry
Everyday plastics can pollute, leaching thousands of chemicals
Plastic bags and containers leach potentially toxic chemicals into both food and water, but researchers yet don’t know how they might affect health.
- Tech
Did Facebook put Instagram profits ahead of teen safety?
Former employee said Facebook (now Meta) ignored its own research on Instagram risks to teens’ mental health. We look at the issues and what you can do.
- Animals
Bacteria make ‘spider silk’ that’s stronger than steel
Part spider silk, the material is better than what some spiders make. Researchers think it might make the basis for surgical threads or unusually strong fabrics.
- Brain
It doesn’t take a concussion for head hits to harm young brains
Most head impacts while playing football do not cause concussions. Yet even lesser impacts take a toll in young athletes, scans of their brains show.
- Brain
A sense of touch could upgrade virtual reality, prosthetics and more
Scientists and engineers are trying to add touch to online shopping, virtual doctor appointments and artificial limbs.
- Animals
Will the woolly mammoth return?
Scientists are using genetic engineering and cloning to try to bring back extinct species or save endangered ones. Here’s how and why.
- Animals
Cloning boosts endangered black-footed ferrets
A cloned ferret named Elizabeth Ann brings genetic diversity to a species that nearly went extinct in the 1980s.
- Brain
Discovering the power of placebos
If you take a fake pill and expect to feel better, you may. Researchers are learning how this placebo effect works and how to use it to help patients.
- Tech
Headphones or earmuffs could replace needles in some disease testing
A new system that uses earmuffs to collect gases coming out the skin could help doctors diagnose a variety of diseases, scientists say.
- Animals
Endangered or just rare? Statistics give meaning to the head counts
Whether studying tiny birds or massive whales, researchers collect a lot of data. The field of statistics helps them make sense of those data.
