Watch this demonstration of Boyle’s Law that shows how changes in pressure affect a fish’s swim bladder.
Since the Industrial Revolution in the late 1700s, we have been mining and burning coal, oil and natural gas for energy and transportation.. Click through the arrows to see how ocean acidification is affecting some shelled marine organisms.
Using animals to test for scientific and commercial purposed is a complicated and controversial issue. View what students had to say when asked, When should animals be used for research or industry testing, if ever? Explain your reasoning. Do you think that we should use animal testing in scientific and industry research? When? What kinds of regulations do you think industries should have for using animals in research?
Explore the connections between engineering and science with KQED’s new, free e-book, Engineering Is Saving the World with Cookstoves. Learn how researchers designed a new, more efficient cookstove to improve the quality of life for families in Darfur.
The Keeling Curve is one of the most compelling pieces of scientific evidence that shows that carbon dioxide (CO2) is accumulating in our atmosphere. Click on the red circles in the interactive to learn more about the Keeling Curve, which plots CO2 in the Earth’s atmosphere over time.