MS-LS1-2
Develop and use a model to describe the function of a cell as a whole and ways parts of cells contribute to the function.
- Health & Medicine
New spray gel moves drugs deep to treat frostbite
New gel spray sends healing ingredients deep into frostbite injuries to promote healing.
- Animals
Whales echolocate with big clicks and tiny amounts of air
Toothed whales may echolocate using bits of air that they recycle inside their heads to conserve both air and energy.
- Physics
Like Magneto? Microcrystals give magnets superpower over living cells
New iron-rich protein crystals could help researchers better understand the nerve cells that control movement and sensation. All they need are magnets.
- Genetics
Explainer: How DNA testing works
Lots of companies will now test DNA from people and their pets. How do these gene-sequencing techniques work? We explain.
- Health & Medicine
Ultrasound might become a new way to manage diabetes
Ultrasound turns on production of the hormone insulin in mice. Someday, it might help maintain healthy blood-sugar levels in people who were recently diagnosed with diabetes.
- Life
Explainer: Prokaryotes and Eukaryotes
Prokaryotes tend to be small and simple, while eukaryotes have embraced a highly organized lifestyle. These divergent approaches to life have both proved very successful.
- Health & Medicine
Scientists discover how norovirus hijacks the gut
Noroviruses make people vomit, but scientists didn’t actually know why. It now turns out that those viruses cause their misery by attacking special “tuft” cells in the gut.
- Life
Inked mice hint at how tattoos live on
Tattooed mice challenge our current understanding of how tattoos stay in humans.
- Chemistry
Cool Jobs: Diving for new medicines
Scientists mix research with underwater adventure as they search the oceans for new chemicals to treat infections, cancer and more.
- Health & Medicine
Obesity makes taste buds disappear — in mice, anyway
Mice that gained excessive weight on a high-fat diet also lost one in four taste buds.
- Genetics
Explainer: DNA hunters
Snippets of DNA can be left behind by a passing organism. Some researchers now act as wildlife detectives to identify the sources of such cast-off DNA.
- Genetics
Explainer: Why scientists sometimes ‘knock out’ genes
How do we learn what a particular molecule does in the body? To find out, scientists often 'knock out' the gene that makes it. Here’s how.
