STEM

Antibiotics keep animals healthy, but some dangerous superbugs are resistant

Video

As high-density, industrial-scale livestock feeding operations become the norm, farmers have had to take extra steps to keep animals healthy. Illnesses and diseases grow and spread quickly when large numbers of similar animals are kept in close proximity. Continue reading

Lesson plan: How renewable energy inventions protect the environment

Lesson Plan

In this PBS NewsHour lesson, students will explore inventions that harness the power of water to make electricity. Students will then sketch, model or build an invention that uses renewable energy and helps protect the environment. Continue reading

Invasive parakeets threaten Hawaii’s ecosystem

Video

Rose-ringed parakeets have multiplied by the thousands on the Hawaiian island of Kauai since the 1960s, when a few parakeets kept as pets escaped. The birds have since caused problems by damaging native plants and farm crops. Continue reading

What Flint schools are doing to protect children from lead

Video

When the city of Flint, Michigan began using the Flint River as a water source to save money three years ago, the water flowing through the aging pipes caused lead, a neurotoxin that affects brain development, to leach into the water supply. Continue reading

Lesson plan: How new inventions help people with disabilities and injuries

Lesson Plan

For decades, technology has helped to improve the lives of people with disabilities and injuries. In this PBS NewsHour lesson, students will learn about the invention…read more

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