From Molecules to Organisms: Structures and Processes
- Health & Medicine
Cough! What happens when something goes down the wrong way
Certain cells can sense water and acid on the way to the lungs, prompting reactions such as coughing and swallowing, research in mice shows.
- Animals
Belugas can warp and wiggle their forehead fat like Jell-O
Molding and moving this ‘melon’ may help the whales communicate.
- Health & Medicine
Scientists Say: Menstruation
Menstruation is part of a roughly monthly cycle that helps a person’s body prepare for possible pregnancy.
- Plants
Let’s learn about photosynthesis
Thank photosynthesis for the existence of all complex life on Earth — including us.
- Animals
See how hummingbirds sneak through small spaces
Anna’s hummingbirds can use a couple of different techniques to get through gaps smaller than their wingspan.
- Animals
Scientists Say: Compound Eye
Compound eyes made up of many smaller visual structures may not produce crisp images, but they offer a great field of view.
- Tech
Bioelectronics research wins top award at 2024 Regeneron ISEF
Three grand-award winners each took home at least $50,000. Hundreds more teens shared more than $9 million in prizes at the international competition.
- Animals
Surprise! These animals can help fight climate change
Some animals help fight climate change by boosting the amount of carbon dioxide that plants, algae and bacteria absorb from the atmosphere.
- Physics
The movie Frozen inspired the icy, 3-D printing of blood vessels
Ice guides a 3-D printing method to make realistic, artificial blood vessels. One day, such vessels could be used in lab-grown organs.
- Chemistry
Here’s why teens’ body odor can be especially strong
The body odors of teens and younger kids share dozens of chemicals in common. But teens have some that infants and toddlers appear to lack.
- Animals
Elusive worm-lizards sport weird, spooky skulls
CT scans of these mysterious creatures turned up bizarre internal features. They could offer clues about amphisbaenians’ largely unknown behavior.
- Archaeology
A tattoo experiment hints at how Ötzi the Iceman got his ink
The findings challenge a common idea about how the mummified man got marked with dark lines.
