Plan flying putting out fires by a neighborhood

Humans ignite almost every wildfire that threatens homes

Sept. 22, 2020

Wildfires are a natural disturbance for these regions, but when combined with climate change and housing growth in the wildland-urban interface, they become larger and more destructive

Kamala Harris

With Kamala Harris, Americans yet again have trouble understanding what multiracial means

Sept. 1, 2020

News that Sen. Kamala Harris was Joe Biden’s choice for the 2020 Democratic vice presidential nominee drove speculation and argumentation about her identity. The big question appeared to be, “Is Kamala Harris truly African American?”

Intentionally mutilated head of Egyptian Pharaoh Hatshepsut. Elizabeth Ellis, CC BY-SA

Ancient cancel cultures: The defacement of statues in America replicates a tradition going back millennia

Aug. 20, 2020

The result of months of protests over racial injustice and monument destruction may seem like a modern form of American political speech. It’s not.

Police car moth on sneezeweed

Police car moths have conspicuous color patterns and fly during the day

Aug. 17, 2020

Wielding all of these defenses, these moths have little to fear from birds or bats and they ignore photographers with impunity Triangular leaf senecio, Senecio triangularis , is common on the eastern slope of Cimarron Ridge in the San Juan Mountains, from 9,000 to over 10,000 feet. This year they...

Heat wave map

100 degrees in Siberia? 5 ways the extreme Arctic heat wave follows a disturbing pattern

June 26, 2020

What is happening in the Arctic is very real and should serve as a warning to everyone who cares about the future of the planet as we know it The Arctic heat wave that sent Siberian temperatures soaring to around 100 degrees Fahrenheit on the first day of summer put...

Civil unrest

A justification for unrest? Look no further than the Bible and the Founding Fathers

June 4, 2020

Martin Luther King did not call for violence, but said “peace is not merely the absence of this tension, but the presence of justice"

Person in a facemask

Flattening the mental health curve is the next big coronavirus challenge

May 29, 2020

We know the virus has a deadly impact on the human body. But its impact on our mental health may be deadly too.

Clouds

What would it feel like to touch a cloud?

May 28, 2020

What would it feel like to touch a cloud? – Violet V., age 6, Somerville, Massachusetts You might already know how it feels to touch a cloud without realizing it. Water vapor in your bathroom can fog up the mirror. Water evaporates and rises up into the sky, condensing to...

Lasers

Pairing lasers with microwaves makes mind-bogglingly accurate electronic clocks

May 28, 2020

Armed with this level of performance, a new generation of microwave timekeeping opens the door for many scientific and technological advances Time and frequency standards are a key part of technologies we have come to rely on in our daily lives, from GPS navigation and cellphone networks to the electrical...

Forest Cat

We wanted to know where Madagascar’s mysterious ‘forest’ cats came from. What we found

May 18, 2020

The origin(s) of Madagascar “forest” or “wild” cats has long been a mystery

Pages