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

In this Click & Learn, students explore the process of digestion and how it connects to metabolism and cellular respiration. 

Scientists who tracked humpback whales in Australia noticed that fewer whales wailed to find mates as their population grew.

As Latinos age in the Rio Grande Valley, the border region is experiencing a surge of dementia-related disease – pushing scientists to find out why.

Our Medieval ancestors left us with a biological legacy: Genes that may have helped them survive the Black Death make us more susceptible to certain diseases today.

A new study finds that some people really are “mosquito magnets” and it probably has to do with the way they smell.

Scientists have discovered the world’s largest plant off the Australia coast — a seagrass meadow that has grown by repeatedly cloning itself.

This interactive module introduces the anatomy of the immune system and walks through the timeline of a typical immune response.

Male songbirds usually learn their tunes from adult mentors. But when aspiring crooners lack proper role models, they hit all the wrong notes — and have less success attracting mates.

Scientists have discovered the ultimate case of regeneration: Some decapitated sea slugs can regrow hearts and whole new bodies.

Some beetles roll the flesh of dead animals into a ball and cover it in goop — all to feed their future offspring. Now scientists think that goo might do more than just slow decay. It also appears to hide the scent of the decomposing bounty and boosts another odor that repels competitors.

The COVID-19 pandemic has helped revive the autopsy.