Life
- Animals
Only three wolves left on Michigan island
Without an infusion of new wolves, the Isle Royale wolf population, and the famous study associated with it, will die off.
- Particle Physics
Particle hunting in space, life in the urban jungle and more reader feedback
Readers discuss wheat's journey to England, share stories about urban wildlife and more.
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- Animals
Growth of mining on land may promote invasions at sea
Ballast water taken in to keep ships stable could, when discharged elsewhere, release species that become invasive in their new homes.
- Animals
Finland’s brown bears on surprise fast track to recover diversity
Brown bears in southern Finland show surprisingly fast improvements in genetic diversity and connections with other bears.
- Life
Bolder snails grow stronger shells
Bold snails have tougher shells than shy snails. Understanding what drives snails to develop such differences is a bit of a challenge.
- Animals
When mom serves herself as dinner
For this spider, extreme motherhood ends with a fatal family feast.
- Animals
Whether froglets switch sexes distinguishes ‘sex races’
Rana temporaria froglets start all female in one region of Europe; in another region, new froglets of the same species have gonads of either sex.
- Plants
Bits of bacterial DNA naturally lurk inside sweet potatoes
Samples of cultivated sweet potatoes worldwide carry DNA from Agrobacterium cousin of bacterium used for GMOs.
- Ecosystems
Before you plant this spring, consider the birds
A study of Chicago neighborhoods finds that the plants in private yards influence the variety of birds that live in the area.
- Animals
Tales of the bedbug, one of the world’s most reviled insects
‘Infested’ captivates with stories about the bloodsucking insects. Resurgent in many areas in the United States, bedbugs are the fastest-growing moneymaker in pest control.
- Neuroscience
Sky’s brilliant hues may help bodies keep time
The internal clocks of mice are sensitive to changes in the sky’s colors. Humans’ clocks may work similarly, offering a tool to trump jet lag.
