MS-LS1-5
Construct a scientific explanation based on evidence for how environmental and genetic factors influence the growth of organisms.
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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 & MedicineHow sunshine may make boys feel hungrier
Males eat more on long summer days, but females do not. Hormones may explain this difference.
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LifeScientists Say: Fungi
Although some fungi can cause diseases, others can be eaten, used to make medicines or serve other useful functions.
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AnimalsAncient ‘ManBearPig’ mammal lived fast — and died young
Developing in the womb for a while — but being born ready to take on the world — may have helped post-dinosaur mammals rise to dominance.
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ClimateHeat waves appear more life-threatening than scientists once thought
This is bad news as a warming planet leads to growing numbers of excessive heat waves — and millions more people facing potentially deadly temperatures.
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Health & MedicineTeen arm wrestlers face risk of an unusual elbow break
The pointy part of the inner elbow can break in arm wrestling, especially among teens whose bones are still growing.
By Chris Gorski -
PlantsThe first plants ever grown in moon dirt have sprouted
This tiny garden shows farming on the moon may be difficult, although not impossible.
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AnimalsMonstrous mammals would break the body rules
Giant mammals and people thunder through our movies and books. But real mammals can only get so large before they can’t take the heat.
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PlantsElectric shocks act like vaccines to protect plants from viruses
To protect crops against viruses in their home country of Taiwan, two teens invented a novel approach to fight blights.
By Anna Gibbs -
ChemistryWe all unknowingly eat plastic, which may host toxic pollutants
In the environment, plastics attract all types of toxic chemicals. If ingested, new data show, chemicals on those plastic bits may harm the gut.
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Health & MedicineSickle-cell gene therapies offer hope — and challenges
Doctor Erica Esrick discusses existing treatments and an ongoing clinical trial for a gene therapy to treat sickle cell disease.
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Science & SocietyExplainer: What is an endangered species?
Threats such as climate change and habitat loss can put species at risk of going extinct. Different words describe that risk.