HS-LS2-2
Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.
- Health & Medicine
Teen researcher eyes peripheral vision
Our peripheral vision helps us work and play. A student scientist studied how the distance between our eyes affects what we can see on the outer edges of our field of view.
- Health & Medicine
Do mosquitoes love you? Blame your parents
By studying twins, scientists found that how attractive we are to mosquitoes depends partly on our genes. That could lead to better bug repellents.
- Animals
What’s for dinner? Mom.
Female spiders of one species make the ultimate sacrifice when raising their young: The mothers feed themselves to their children.
- Earth
Deep-sea fish show signs of exposure to pollution
A new study suggests deep-water fish may have health problems linked to human pollution. Eating these fish may expose diners to the same pollution.
- Agriculture
Ditching farm pollution — literally
An Indiana project shows how fighting fertilizer runoff can save farmers money, protect wild habitats and prevent harmful algae blooms.
- Animals
News Brief: Rabbit-hunting pythons are altering Everglades
Rabbits may breed rapidly, but not fast enough to compensate for the huge summer appetites of huge pythons roaming Florida’s Everglades.
- Animals
Finding out why birds are out of range
Sometimes people see large numbers of birds outside of their normal range. A student examined how to predict these excursions.
- Health & Medicine
10 things to know about measles
Many people think that the measles vaccine wiped out the disease — at least in the United States. It hasn’t. And people who were never vaccinated face the primary risk of getting this very serious disease
- Animals
Hellbenders need help!
Hellbenders already face threats such as habitat loss, pollution and disease. But climate change could make matters worse. And the problems facing hellbenders could spell trouble for more than just these giant amphibians.
- Climate
Desert plants: The ultimate survivors
Creosote, mesquite and other desert plants rely on different adaptations to thrive, even when no rain falls for an entire year.
- Genetics
Immunity: Environment can have big impact
A study on twins suggests that environmental factors can shape a person's immune system more than genes do.
- Life
Scientists say: Biomagnify
Chemicals in the environment can build up in an animal’s tissues. Predators who feed on these animals can accumulate more and more of the pollutants, a process known as biomagnification.
