HS-LS1-2
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
-
Health & MedicineHealth problems persist in Flint 10 years after water poisoning
Flint, Mich., residents still show health impacts long after a switch in their drinking-water source exposed them to toxic lead and other pollutants.
-
Science & SocietyScientists Say: Model
Models are representations of real-life systems or processes that we use to ask questions, make predictions and test our knowledge.
-
Health & MedicineHigh blood pressure can affect kids but often goes undiagnosed
Left untreated, it can lead to lasting problems, even in kids who appear otherwise healthy. Learn the signs and what to do.
By Erin Ross -
Health & MedicineExplainer: High blood pressure stresses the heart and blood vessels
Because it can be dangerous, doctors should regularly screen for it even in young kids and teens — but often don’t.
By Erin Ross -
AnimalsScientists Say: Coral
Over 4,000 species of fish make their home among the reefs created by these colony-dwelling marine animals.
-
PlanetsResearch on exoplanets took top award at 2023 Regeneron ISEF
Six young researchers took home the top awards, each valued at a minimum of $50,000. Hundreds more shared nearly $9 million in prizes at international event.
-
AnimalsThese beetles ‘drink’ water using their butts
Red flour beetles can survive in very dry environments. New research shows how the beetles can suck water from the air using their rear ends.
By Freda Kreier -
AnimalsSleeping glass frogs go into stealth mode by hiding red blood cells
Glass frogs snoozing among leaves blend in by hiding almost all their red blood cells in their liver.
By Susan Milius -
Health & MedicineHow to be heat-safe when playing sports
Protecting young athletes from overheating is getting more important as climate change turns up the temperature.
By Megan Sever -
These lemurs take nose-picking to a new level
A nose-picking aye-aye’s spindly middle digit probably pokes all the way into the back of the throat, CT scans show.
By Maria Temming and JoAnna Wendel -
Health & MedicineScientists Say: Kidney
The kidneys remove waste and excess water from the blood, forming urine.
-
Health & MedicineNew brain scans may show if a concussion has not yet healed
Concussions change certain brain waves, and delta waves may be the best signs of when teens can return to competitive sports.