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Scientific American

Science news and technology updates from Scientific American

Articles les plus récents

Famously Fickle Felines Are, in Fact, Clingy

jeudi 14 novembre 2019 par Karen Hopkin — Mind, Cognition, The Sciences, Biology, Evolution
Cats are clingier to their human owners than their reputation would suggest. Karen Hopkin reports. -- Read more on ScientificAmerican.com

Solving the Mystery of Songbird Diversity

jeudi 7 novembre 2019 par Kate Wong — Features, The Sciences, Evolution
A strange chromosome may have provided fodder for the evolution of new traits -- Read more on ScientificAmerican.com

We Owe Our Pumpkins to Pooping Megafauna

jeudi 31 octobre 2019 par Christopher Intagliata — The Sciences, Arts & Culture, Biology, Evolution
The pumpkin’s ancestor was an incredibly bitter, tennis-ball-sized squash—but it was apparently a common snack for mastodons. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Bird Egg Colors Influenced by Local Climate

mercredi 30 octobre 2019 par Christopher Intagliata — The Sciences, Biology, Evolution
In cold, northern climates, eggs tend to be darker and browner—heat-trapping colors that allow parents to spend a bit more time away from the nest. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Bird Egg Colors Are Influenced by Local Climate

mercredi 30 octobre 2019 par Christopher Intagliata — The Sciences, Biology, Evolution
In cold, northern climates, eggs tend to be darker and browner—heat-trapping colors that allow parents to spend a bit more time away from the nest. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Crabs Do a Maze

mardi 29 octobre 2019 par Christopher Intagliata — Mind, Cognition, The Sciences, Biology, Evolution
Green crabs learned to navigate a maze without making a single wrong turn—and remembered the skill weeks later. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Lush Okavango Delta Pinpointed as Ancestral Homeland of All Living Humans

lundi 28 octobre 2019 par Richard Conniff — The Sciences, Evolution
Genetic evidence traces our origins to a hunter-gatherer community that lived 200,000 years ago, but the study has generated controversy -- Read more on ScientificAmerican.com

What Made Dinos Sore?

dimanche 27 octobre 2019 par Riley Black — The Sciences, Evolution
A new review digs into how the terrible lizards dealt with aches and pains -- Read more on ScientificAmerican.com

Galloping Ant Beats Saharan Heat

mercredi 23 octobre 2019 par Susanne Bard — Environment, The Sciences, Biology, Evolution
The Saharan silver ant feeds on other insects that have died on the hot sands, which it traverses at breakneck (for an ant) speeds. -- Read more on ScientificAmerican.com

Some Mosquito Repellents Act like Invisibility Cloaks

mardi 22 octobre 2019 par Christopher Intagliata — The Sciences, Biology, Chemistry, Evolution
Synthetic repellents such as DEET seem to mask the scent of our “human perfume”—making us less obvious targets for mosquitoes. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

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