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科学美国人:Pineapple Waste Won't Be Wasted2018-08-28
Costa Rican scientists are extracting valuable materials from the peel and stubble of pineapples.
科学美国人:Sometimes Mosquitoes Are Just Thirsty2018-08-25
Mosquitoes want your blood for its proteins...or simply to hydrate on a hot, dry day.
科学美国人:Robot Bartender Will Take Your Order2018-08-24
Digital assistants have to respond quickly, but correctlymdash;so researchers are studying how real humans navigate that trade-off, to design better machines. Christopher Intagliata reports.
科学美国人:As Spring Arrives Earlier, Arctic Geese Speed Up Their Migration2018-08-23
The birds are arriving in the Arctic up to 13 days earlier than they used to. But at a cost: hunger. Annie Sneed reports.
科学美国人:Ancient Americans Bred Symbolically Important Scarlet Macaws2018-08-21
Genetic information from the bones of macaws found in abandoned pueblos suggests they were bred and distributed as a commodity. Christopher Intagliata reports.
科学美国人:Freeloading Ants Help the Workflow2018-08-21
Fire ants tunnels got excavated efficiently by only a small percentage of the group doing most of the work, thus avoiding pileups in tight spaces.
科学美国人:Rising CO2 Means Monarch Butterfly Bellyaches2018-08-18
Milkweed grown with more carbon dioxide in the air supplies fewer toxins to monarch butterflies that need the toxins to fight off gut parasites.
科学美国人:For Some Crows, Migration is Optional2018-08-17
Crows are what's known as 'partial migrants'mdash;as cold weather approaches some crows fly south, while others stay put. And that behavior appears to be ingrained. Christopher Intagliata reports.
科学美国人:Plants Dominate the Planet's Biomass2018-08-16
About 80 percent of Earth's biomass is plant life, with humans about equal to krill way down the heft chart.
科学美国人:Crickets Carve Tools to Amplify their Chirps2018-08-15
The insects fashion and use quot;bafflesquot;mdash;sound controllersmdash;made of leaves to produce sound more efficiently. Jason G. Goldman reports.
科学美国人:Solar Eclipse of 2017 Boosted Science Interest2018-08-15
The Michigan Scientific Literacy Survey of 2017 found that last year's total solar eclipse got Americans more interested in celestial science.
科学美国人:Better Data Could Mean Better Dating2018-08-14
Both men and women tended to pursue mates just 25 percent more desirable than themselves mdash; suggesting they are quot;optimistic realists.quot; Christopher Intagliata reports.
科学美国人:Computerized Chemical Toxicity Prediction Beats Animal Testing2018-08-14
Researchers programmed a computer to compare structures and toxic effects of different chemicals, making it possible to then predict the toxicity of new chemicals based on their structural similarity to known ones.
科学美国人:To Evolve Baleen, Lose Your Teeth First2018-08-10
Whale ancestors probably never had teeth and baleen at the same time, and only developed baleen after trying toothlessness and sucking in prey.
科学美国人:Whales Suck--So They Evolved Baleen2018-08-09
Whale ancestors probably never had teeth and baleen at the same time, and only developed baleen after trying toothlessness and sucking in prey.
科学美国人:Corn Variety Grabs Fertilizer from the Air2018-08-08
A variety of corn from Oaxaca, Mexico, has aerial roots that harbor nitrogen-fixing bacteria, allowing the corn to suck nitrogen straight from the air. Christopher Intagliata reports.
科学美国人:Birds Learn Safety From Other Kinds of Birds2018-08-03
Birds become good at avoiding danger by eavesdropping on the alarm calls of other birdsmdash;and the learning occurs without even seeing their peers or predators. Christopher Intagliata reports.
科学美国人:Microbes Share Your Morning Metro Commute?2018-08-02
An analysis of the Hong Kong metro found that microbes, including some with antibiotic resistance genes, freshly disperse throughout the system each day. Christopher Intagliata reports.
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