Cooler, higher locales may not be very welcoming to some hummingbirds trying to escape rising temperatures and other effects of climate change. Anna’s hummingbirds live no higher than about 2,600…
Author: ID
4 answers to key questions about the monkeypox outbreak
An outbreak of monkeypox has some people worried that the world is on the brink of another pandemic. That’s not likely, experts say. The concern has been fueled by more…
Lasers reveal ancient urban sprawl hidden in the Amazon
A massive urban landscape that contained interconnected campsites, villages, towns and monumental centers thrived in the Amazon rainforest more than 600 years ago. In what is now Bolivia, members of…
Headbutts hurt the brain, even for a musk ox
Punishing headbutts damage the brains of musk oxen. That observation, made for the first time and reported May 17 in Acta Neuropathologica, suggests that a life full of bell-ringing clashes is…
Biocrusts reduce global dust emissions by 60 percent
In the unceasing battle against dust, humans possess a deep arsenal of weaponry, from microfiber cloths to feather dusters to vacuum cleaners. But new research suggests that none of that…
Ice at the moon’s poles might have come from ancient volcanoes
Four billion years ago, lava spilled onto the moon’s crust, etching the man in the moon we see today. But the volcanoes may have also left a much colder legacy:…
‘Wandering’ salamanders glide like skydivers from the world’s tallest trees
In one of the tallest trees on Earth, a tan, mottled salamander ventures out on a fern growing high up on the trunk. Reaching the edge, the amphibian leaps, like…
Materials of the last century shaped modern life, but at a price
A 1920s science headline, “Ice cream from crude oil,” may best capture the era’s unbridled enthusiasm for chemistry. “Edible fats, the same as those in vegetable and animal foods ……
These are the first plants grown in moon dirt
That’s one small stem for a plant, one giant leap for plant science. In a tiny, lab-grown garden, the first seeds ever sown in lunar dirt have sprouted. This small…
Wildfire smoke may ramp up toxic ozone production in cities
Wildfire smoke and urban air pollution bring out the worst in each other. As wildfires rage, they transform their burned fuel into a complex chemical cocktail of smoke. Many of…