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.
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Health & MedicineNew patch might replace some finger-prick testing of blood sugar
A finalist at Regeneron ISEF created a wearable patch that turns yellow when someone’s blood-sugar level gets high enough to need an insulin shot.
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MicrobesScientists Say: Virus
A virus must take over a living cell's machinery to make more viruses.
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Materials ScienceAnalyze This: Algae behind blue-glowing waves light up a new device
Some algae glow blue when they experience forces. Held in transparent plastic, they now make devices light up in response to gentle pushes and tugs.
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Health & MedicineToddler now thrives after prenatal treatment for a genetic disease
Ayla was treated before birth for the rare, life-threatening Pompe disease. Now a thriving 16-month-old toddler, her treatments will still need to continue.
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EnvironmentBacterial ‘living wires’ could help protect the seas and climate
Long, thin bacteria that conduct electricity may be able to help clean up oil spills and reduce emissions of methane, a powerful greenhouse gas.
By Nikk Ogasa -
AnimalsSea creatures’ fishy scent protects them from deep-sea high pressures
TMAO’s water-wrangling ability protects a critter’s critical proteins — including muscle — from crushing under deep ocean pressures.
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Health & MedicineScientists Say: Liver
This organ in the upper-right side of the belly does many essential jobs, such as cleaning blood and producing bile.
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ChemistryLego-like way to snap molecules together wins 2022 chemistry Nobel
This so-called ‘click chemistry’ allows scientists to build complex molecules in the lab and in living cells.
By Meghan Rosen and Nikk Ogasa -
GeneticsExamining Neandertal and Denisovan DNA wins a 2022 Nobel Prize
Svante Pääbo figured out how to examine the genetic material from these hominid ‘cousins’ of modern humans.
By Tina Hesman Saey and Aimee Cunningham -
Health & MedicineWildfire smoke seems to pose its biggest health risk to kids
New studies, some of them in young monkeys, point to vulnerabilities affecting kids' airways, brains and immune systems.
By Megan Sever -
LifeScientists Say: DNA
Short for deoxyribonucleic acid, DNA is the molecule that determines how each living thing looks and works.
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ChemistryLet’s learn about cellulose
The world’s most abundant natural polymer is finding all kinds of new uses, in everything from ice cream to construction.