HS-LS1-3
Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.
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Health & Medicine
Seven tips for staying safe in frigid weather
Maps? Check. Water? Check. Insulating clothes? Check. Here’s the checklist to consult before planning to trek out in the frigid cold.
By Susan Moran -
Oceans
Creative ways to help coral reefs recover
Coral reefs are under siege from threats ranging from climate change to explosives. But scientists are developing ways to rebuild reefs before they disappear.
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Brain
Pain is contagious — at least in mice
Pain can move from one mouse to another. The trigger may be smell.
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Life
Nobel awarded for unveiling how cells recycle their trash
Cell biologist Yoshinori Ohsumi has won the 2016 Nobel Prize for physiology or medicine for discovering how cells take care of housekeeping.
By Meghan Rosen -
Health & Medicine
Zebra finches can ‘drink’ water from their own fat
When water is scarce, thirsty zebra finches can produce their own water. They do it by breaking down their body fat.
By Susan Milius -
Brain
Mice brains hint at how bodies keep their cool
Nerve cells in mice can keep the body cool and may prevent high fevers. The discovery could have implications for obesity and other health issues.
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Genetics
How fake sugar can lead to overeating
Scientists have found that fruit flies and mice eat more after consuming food laced with a popular fake sugar.
By Dinsa Sachan -
Genetics
Scientists Say: DNA sequencing
All of us have our own individual DNA. Now, scientists can determine what each individual strand is made of — a process called DNA sequencing.
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Brain
Hormone affects how teens’ brains control emotions
Using scans of brain activity, scientists show that surging hormones drive where emotions get processed in a teen’s brain.
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Animals
This mammal has the world’s slowest metabolism
A sloth species manages to exist with a super-slow metabolism by moving little and using its environment for heating and cooling its body.
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Health & Medicine
Adult diseases may be linked to childhood weight
Danish scientists find that very overweight kids grow up with a heightened risk of colon cancer and stroke.
By Dinsa Sachan -
Animals
Snakes go dark to soak in the sun
Snakes are paler in the South and darker in the North. The darker species absorb heat more quickly, a teen showed.