HS-LS2-4
Use a mathematical representation to support claims for the cycling of matter and flow of energy among organisms in an ecosystem.
- Animals
Kangaroos have ‘green’ farts
The farts and belches of these animals contain less methane than do those from other big grass grazers. Microbes in their digestive tract appear to explain the ‘roos lower production of this greenhouse gas, a new study finds.
- Health & Medicine
Some of chocolate’s health benefits may trace to ‘bugs’
Dark chocolate offers people a number of health benefits. A new study finds that the breakdown of chocolate by microbes in the human gut be behind some benefits.
- Earth
Intel STS finalist brings earthworms to the big time
Earthworms and charcoal help plants resist infections, according to research by Anne Merrill, a finalist in the 2014 Intel Science Talent Search.
- Climate
Watching our seas rise
Satellites, coral reefs, ancient Roman fishponds and sinking cities help us understand how humans are changing sea level.
- Animals
Snake blood boosts mouse heart
Scientists find that a mouse’s heart swells in the presence of python blood.
- Animals
Tiny earthworms’ big impact
Invasive earthworms change North American landscapes, for better or worse.
- Animals
An energy lesson from panda poop
Scientists say microbes in panda feces may help convert grasses into fuel.
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