From Molecules to Organisms: Structures and Processes
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Environment
Sea life may suffer as plastic bits alter metals in water
This interplay between plastics and metals could affect how each affects the environment — and suggests opportunities for controlling their risks.
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Animals
Let’s learn about frogs
Frogs are a fascinating bunch of amphibians. Unfortunately, they’re also dying off in huge numbers.
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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.
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Agriculture
Native Amazonians make rich soils — and ancient people may have too
Modern Amazonians make nutrient-rich soil from ash, food scraps and burns. The soil strongly resembles ancient “dark earth” found in the region.
By Freda Kreier -
Health & Medicine
Scientists Say: Kidney
The kidneys remove waste and excess water from the blood, forming urine.
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Animals
When it’s hot, echidnas blow snot bubbles to cool off
These spiky Australian mammals have a trick to moisten their noses, allowing them to survive hot temperatures that should kill them.
By Elise Cutts -
Health & Medicine
New 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.
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Materials Science
Analyze This: Algae behind blue-glowing waves light up a new device
Some algae glow blue when they experience forces. Held in transparent plastic, they now make devices light up in response to gentle pushes and tugs.
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Microbes
Bacteria give some cheeses their distinct flavors
Linking types of bacteria to specific flavors could help cheesemakers tweak their products — or even develop new cheese flavor.
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Animals
How can Baby Yoda be 50 years old?
Animals with wings, big bodies or other protections from predators are more likely to evolve long lifespans.
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Chemistry
Scientists Say: Rubisco
Rubisco is a key protein in the process of photosynthesis, which feeds plants — and, in turn, us.