Agriculture
Deeply plowing farm fields can do more harm than good
Heavy plowing can impair water’s flow through the ground. The problem was found by “listening” to tiny seismic signals caused by rain infiltrating the soil.
MS-ESS3-3
Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.
More Stories in MS-ESS3-3
- Environment
Antarctica faces a green and weedy future
Warming is allowing alien species to invade a land that had been isolated for 30 million years. They now threaten local ecosystems unique to Antarctica.
- Animals
Radioactive animals don’t glow — but do show the power of radiation
Wild species exposed to nuclear contamination help show how radiation affects living things — including its risks to people.
- Health & Medicine
Air pollution might harm children’s eye health
Scientists used machine learning to understand air pollution’s role in eye health and vision. They found children have better eyesight in cleaner air conditions.
- Tech
Let’s learn about lab-grown meat
Lab-grown meat may still be several years away from your local grocery. But such alternatives to farmed or free-range meats are on their way.
- Space
Scientists Say: Space junk
High-velocity space junk threatens space missions today. And the problem is growing.
- Environment
See how aerosols fly through Earth’s skies
These small airborne particles may offset one-third of human-caused climate warming. But the cooling influence of aerosols is fading.
- Animals
Freshwater fish are in trouble: Here’s how we can help them
Human activities threaten the survival of many freshwater fish species. Research is now pointing to how we can best overcome those threats.
- Environment
More and more, microplastics are collecting in our brains
Over eight years, the mass of microplastics in human brains increased by some 50 percent. There are growing hints that internal microplastics may harm us.
- Chemistry
Some bacteria in wastewater can break down a common plastic
These microbes can break the carbon bonds that make PET plastics so hard to degrade. This type of plastic makes up almost one-third of plastic waste.
