Ecosystems
- Ecosystems
Ecosystem engineers
Nonnative earthworms are deliberately burying ragweed seeds, enhancing the weed’s growth, researchers report.
- Agriculture
Bee-Loved Plantings
Zipcode-organized guidelines tell gardeners, farmers and others how to design a landscape that will not only entice pollinators but also keep these horticultural helpers happy.
- Animals
Don’t blame the guys
Scientists take a new look at what drives female damselflies to look like males.
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- Ecosystems
On Whales’ Appetites: What a Waste
An advocacy group and renowned scientist floundered in an attempt to compel opinion shapers with the science showing that industrial fleets, not whales, pose a serious threat to fish stocks.
- Plants
Forest invades tundra
The Arctic tundra is under assault from trees, with serious implications for global climate change.
- Animals
Peril of play
A new study shows that playful 2-year-old chimpanzees may be particularly vulnerable to infectious diseases — some caught from humans.
- Agriculture
A vanilla Vanilla
The orchid that gives us vanilla beans has startlingly low genetic diversity, suggesting crops might be susceptible to pathogens, researchers report.
- Humans
Wash Your Veggies!
The lesson in all of these food-poisoning outbreaks is that we must not expect a risk-free food-supply chain.
- Climate
Goldilocks tree leaves
Leaves mostly keep their cool (or warmth) wherever they live, a finding that might affect reconstructions of past climates.
- Animals
Invasion of the salmon
Chinook salmon, dwindling in the United States, go wild in South America.
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