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Bird Egg Colors Influenced by Local Climate
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
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
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
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
Canada Gets Its First Smilodon
samedi 19 octobre 2019 par Riley Black — The Sciences, Evolution
Fossils found near Medicine Hat, Alberta, expand the saber-tooth cat’s range by more than 600 miles -- Read more on ScientificAmerican.com
Tardigrade Protein Protects DNA from Chemical Attack
The Dsup protein protects DNA under conditions that create caustic free radical chemicals. -- Read more on ScientificAmerican.com
Ancient Teeth Reveal Social Stratification Dates Back to Bronze Age Societies
Humans have a history of status division stretching back at least 4,000 years -- Read more on ScientificAmerican.com
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