

All Stories by Kathryn Hulick
- Chemistry
Cool Jobs: Counting calories
Do calories count? A nutrition label doesn’t tell the whole story. Meet three researchers working to shed light on the complex connections between food and health.
- Health & Medicine
Explainer: All about the calorie
Calories are a measure of how much energy is in a food. But when it comes to powering our bodies, not all calories are equally available to the body.
- Health & Medicine
Just viewing super-size meals can promote overeating
Large portions of food dampen activity in a brain area involved in self-control, a new study shows.
- Tech
Teaching robots right from wrong
Robots of the future will face tricky dilemmas. Researchers are working on tools to help robots make the right choices and keep people safe.
- Health & Medicine
Early birds eat better
People who love mornings tend to eat healthier food throughout the day. This could help explain why night owls tend be less healthy overall.
- Tech
Wired and weird: Meet the cyborg plants
By mixing electronics with greenery, engineers have made plants that conduct electricity, detect bombs and send email.
- Health & Medicine
Could toothpaste give heart disease the brush-off?
Brushing with a toothpaste that dyes plaque green encourages people to remove more of it. This also lowered inflammation, which may cut someone’s risk of heart disease.
- Health & Medicine
Zombies are real!
Some parasites worm their way into other creatures’ brains and alter their victims’ behavior. Meet zombie ants, spiders, cockroaches, fish and more.
- Brain
Cool Jobs: Video game creators
Meet an engineer who worked on StarCraft II, an expert building a new kind of reality and a neuroscientist who uses games as brain therapy.
- Tech
One day, computers may decode your dreams
Scientists are learning how to translate brain activity into words and thoughts. This may one day allow people to control devices with their minds.
- Brain
Explainer: How to read brain activity
Electricity underlies the chattering of brain cells. Here’s how scientists eavesdrop on those conversations.
- Health & Medicine
The cool science of hot peppers
Why are chili peppers spicy? Why does anyone crave food that burns? Uncovering this fiery veggie’s secrets could help fight pain and obesity.