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How Can We Measure Elephant Populations?

In this activity, students use an interactive tool to simulate how scientists collected and used sample data to estimate elephant population sizes.

Ecology
Environmental Science
Science Practices
Click & Learn
High School — General
High School — AP/IB
College

1st babies born in Britain using DNA from 3 people

Britain’s fertility regulator on Wednesday confirmed the births of the U.K.'s first babies created using an experimental technique combining DNA from three people, an effort to prevent the children from inheriting rare genetic diseases.

 

Seeking Alzheimer’s clues from few who escape genetic fate

Doug Whitney inherited the same gene mutation that gave Alzheimer’s disease to generations of relatives by the average age of 50. Yet at 73, his mind is sharp. To scientists he offers a chance to learn how the body may resist Alzheimer’s.


 

Energy Flow through Ecosystems

This Click & Learn traces the flow of energy from the Sun all the way to cells within organisms. The embedded questions and calculations guide students’ understanding of how energy is distributed through a variety of ecosystems.

Ecology
Science Practices
Click & Learn
High School — General
High School — AP/IB