Almost nothing in the world is still. Toddlers dash across the living room. Cars zip across the street. Motion is one of the most important features in the environment[1]; the ability to predict the movement of objects in the world is often directly
Why are some black holes bigger than others? An astronomer explains how these celestial vacuums grow
Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it. [2]. Why are there small and big black holes? Also, why are some black holes invisible and others
An ethicist explains why you shouldn't turn to social media for information about the conflict or to do something about it
As the war between Israel and Hamas drags on, many on both sides have taken to social media to gather information and air their outrage. The impulse to do so is understandable: Political activism on social media provides people with an emotional outlet
Mutton, an Indigenous woolly dog, died in 1859 − new analysis confirms precolonial lineage of this extinct breed, once kept for their wool
Dogs have been in the Americas for more than 10,000 years. They were already domesticated when they came from Eurasia with the first people[1] to reach North America. In the coastal parts of present-day Washington state and southwestern British Columbia,
A legal scholar explains the need for government databases to retract information
In 2004, Hwang Woo-suk was celebrated for his breakthrough discovery creating cloned human embryos[1], and his work was published in the prestigious journal Science. But the discovery was too good to be true[2]; Dr. Hwang had fabricated the data. Science
Winter brings more than just ugly sweaters – here's how the season can affect your mind and behavior
What comes to mind when you think about winter? Snowflakes? Mittens? Reindeer? In much of the Northern Hemisphere, winter means colder temperatures, shorter days and year-end holidays.
Along with these changes, a growing body of research in psychology[1] and
Lighting a fire using friction requires an understanding of some physics principles − but there are ways to make the process easier
Humans have been making fire using friction[1] for thousands of years[2], with evidence of its use found in archaeological records across different cultures[3] worldwide.
Fire by friction is a testament to human ingenuity, contributing to the development of