HS-ESS3-4
Evaluate or refine a technological solution that reduces impacts of human activities on natural systems.
- Climate
Explainer: What is decarbonization?
Lowering carbon levels in our atmosphere to stabilize the climate may start with switching from fossil fuels to greener energy sources.
- Tech
Underwater cameras get a new power source — sound!
Needing no batteries, a new digital camera can run almost continuously to offer new, deeper insights into the ocean world.
- Animals
Cars hit more deer in the week after daylight saving time ends
In the days right after most Americans turn back the clock, vehicle crashes with deer increase by 16 percent, a new study shows.
- Environment
This chemist uses online videos to teach about the perils of microplastics
Imari Walker says her journey as a scientist and science communicator lets her talk about and advocate for her passion.
- Environment
Bacterial ‘living wires’ could help protect the seas and climate
Long, thin bacteria that conduct electricity may be able to help clean up oil spills and reduce emissions of methane, a powerful greenhouse gas.
- Climate
Warming temps could turn some blue lakes green or brown
Slightly warmer summers could cause thousands of blue lakes to become a murky green or brown, according to a tally of color in 85,000 lakes worldwide.
- Tech
No trees were harmed to 3-D print this piece of wood
How clever! Scientists used print-speed adjustments to control how flat, 3-D printed shapes morph into complex wooden objects.
- Materials Science
Laser light transformed plastic into tiny diamonds
The technique could be used to make nanodiamonds for quantum devices and other technology.
- Plants
No sun? No prob! A new process might soon grow plants in the dark
Teamwork makes green-work! Collaborating scientists came up with an electrifying farming trick that could make sunlight optional.
- Chemistry
Simple process destroys toxic and widespread ‘forever’ pollutants
Ultraviolet light, sulfite and iodide break down these PFAS molecules faster and more thoroughly than other methods.
- Climate
Coastal cities around the world are sinking, satellite data show
Of 99 coastal cities studied, nearly one-third are sinking. This leaves coastal communities increasingly vulnerable to rising seas.
- Environment
Bubbles could help remove trash from rivers
One young engineer devised a way to make bubbles sweep away the trash floating down a creek, like the one in her backyard.
