Alison Pearce Stevens is a former duck wrangler, beekeeper and forever science geek who specializes in writing about science and nature for kids. She lives in the Midwest with her husband, their two kids and a small menagerie of cuddly (and not-so cuddly) critters. She writes for Science News Explores, Highlights, ASK (Arts and Sciences for Kids) magazine and National Geographic Kids' Books. Her next book, Rhinos in Nebraska, comes out in 2021. She is also an avid gardener who can often be found in her yard, checking out the critters that call it home.
All Stories by Alison Pearce Stevens
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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.
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Microbes
Germs help each other fend off antibiotics
Drug-resistant bacteria can cause persistent infections. A new study finds these germs fight drugs in different ways. And they can swap various compounds, increasing their neighbors’ chances of overcoming the drugs meant to kill them.
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Earth
How people have been shaping the Earth
We are the dominant force of change on Earth. Some experts propose naming our current time period the ‘Anthropocene’ to reflect our impact.
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Earth
Coming: The sixth mass extinction?
Species are dying off at such a rapid rate — faster than at any other time in human existence — that many resources on which we depend may disappear.
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Brain
The distracted teenage brain
Teens often show poor judgment in decision-making. Scientists have long blamed this on the fact that their brains are still developing. A new study offers another explanation: distractions form rewarding behaviors — ones that persist even after the reward itself has disappeared.
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Earth
Solved: Mystery of the ‘sailing’ rocks
Rocks and boulders periodically move across the Racetrack Playa in Death Valley, leaving tell-tale tracks in their wake. Using advanced technology, scientists have finally solved the mystery of how this happens.
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Brain
Mistakes: A key to learning
This man uses a robotic arm to move a cursor across a computer screen. The screen blocks his view of his hand and arm. This focuses his attention on any errors he makes as he tries to move a cursor to a target location.
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Brain
Learning rewires the brain
Brain cells actually change shape as we learn. It’s one way we cement new knowledge. And much of the action happens as we sleep.
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Health & Medicine
Starchy foods may cut meaty risks
Eating red meat can increase the risk of certain types of cancer. But scientists have discovered that eating potatoes and other foods containing 'resistant' starch can help limit those risks.
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Plants
Saving the banana
A number of diseases threaten the world’s most popular fruit. Scientists are working to fight these blights. But if they don’t succeed, the sweet banana that’s a breakfast staple could disappear.
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Brain
Lacrosse: Different genders, same injuries
Scientists find that boys’ and girls’ versions of lacrosse lead to similar injuries. Because girls frequently get concussions, the study argues that like the boys, girls too should wear helmets.
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Health & Medicine
For better weight control, fiber up!
Certain types of fiber suppress appetite, at least in mice. Found in fruits, vegetables, oats and barley, this fiber breaks down in the gut to release acetate. That travels to the brain, where the chemical prompts the release of hunger-fighting hormones.