Animals
Frozen poop reveals Ice Age squirrels’ ecosystem
Ancient ground squirrels were anything but picky eaters. Genetic material from grasses to woolly mammoths popped up in frozen squirrel poop.
MS-LS2-3
Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem.
More Stories in MS-LS2-3
- Ecosystems
The Okefenokee’s dark waters hold secrets about climate and more
This Georgia peat swamp’s vast stores of carbon and water are under threat from mining and pollution. Scientists and locals are fighting to protect it.
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- Microbes
Ants are the secret ingredient to this tasty yogurt
The traditional yogurt-making technique was once popular in parts of Europe and Asia. But don’t try this at home!
- Chemistry
Let’s learn about chocolate
Humans have been making chocolate for millennia. Now scientists are investigating how to make this tasty treat more abundant and nutritious.
- Animals
To keep their pools clean, some tadpoles don’t poop for weeks
Eiffinger’s tree frog tadpoles store their solid waste in an intestinal pouch. This releases less toxic ammonia into their watery cribs.
- Health & Medicine
Why you shouldn’t just brush off dandruff
Research points to certain yeast and bacteria as culprits behind some dandruff. Special shampoos or prescription cleansers can help.
- 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.
- Health & Medicine
A new type of immune cell may cause lifelong allergies
These special memory cells were present in people with allergies and absent in those without.
- Plants
On hot summer days, this thistle stays cool to the touch
Its yellow flowers can cool themselves substantially, staying up to 10 degrees C (18 degrees F) cooler in extreme heat.
