MS-LS2-5
Evaluate competing design solutions for maintaining biodiversity and ecosystem services.
- Environment
Spidey sense: Eight-legged pollution monitors
Spiders that prey on aquatic insects can serve as sentinels that naturally monitor banned chemicals that still pollute many rivers across the United States.
- Animals
Tiny — but mighty — food-cleanup crews
Discarded food wastes can turn city spaces into food courts for disease-carrying rats and pigeons. But a new study shows tiny cleanup crews — especially pavement ants — are doing their best to eliminate such wastes. This, in turn, makes cities less attractive to bigger pests.
- Microbes
Recycling the dead
When things die, nature breaks them down through a process we know as rot. Without it, none of us would be here. Now, scientists are trying to better understand it so that they can use rot — preserving its role in feeding all living things.
- Environment
Watering plants with wastewater can spread germs
Recycled waste water may slake the thirst of outdoor plants. But it also can spread bacteria, a new study finds — germs that antibiotics may not be able to kill.
- Microbes
The Bahamas’ African roots
Ocean bacteria may have built the Bahama islands, fed by dust blown across the Atlantic from the Sahara Desert.
- Microbes
Explainer: What you can do to fight antibiotic resistance
Doctors and scientists are not the only people who can help preserve the effectiveness of life-saving antibiotics. Even patients have a role to play, as these tips show.
- Animals
A library of tweets (and howls and grunts)
The Macaulay Library houses a world of animal sounds. And now anyone with an Internet connection can check out this audio collection.
- Animals
Mite-y discoveries!
Two teens from Russia discovered tiny mites living inside grass-like plants called rushes. Three of the species they turned up are new to science.
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Slime: A new way to protect plants from slugs
Katie Gwaltney had a slug problem in her garden. She decided to try using the slugs’ own slime against them. Her findings earned the high school freshman a finalist’s spot at this week's Intel International Science and Engineering Fair.
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Studying a weevil to save a tree
A root weevil is causing billions of dollars in damage to fruit trees in Florida. To save a tree of his own, Evan MacKay decided to study the pest, earning him a finalist’s spot at the Intel International Science and Engineering Fair.
- Health & Medicine
New ‘Heartland’ disease emerges in U.S. Midwest
A new viral disease causes major pain and flu-like symptoms. At present, no treatment or cure exists.
- Animals
When a species can’t stand the heat
When temperatures rise, New Zealand’s tuatara produce more males. With global warming, that could leave the ancient reptile species with too few females to avoid going extinct.
