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]. How does soap clean our bodies? – Charlie H., age 8, Stamford, Connecticut Thousands of years ago, our ancestors discovered something that would clean their bodies and clothes.
... Colors are objective, according to two philosophers − even though the blue you see doesn’t match what I see
Is your green my green[1]? Probably not. What appears as pure green to me will likely look a bit yellowish or blueish to you. This is because visual systems vary from person to person. Moreover, an object’s color may appear differently[2] against different backgrounds or under different lighting.
These facts might naturally lead you to...
‘Extraordinary claims require extraordinary evidence’ − an astronomer explains how much evidence scientists need to claim discoveries like extraterrestrial life
The detection of life beyond Earth would be one of the most profound discoveries in the history of science. The Milky Way galaxy alone hosts hundreds of millions of potentially habitable planets[1]. Astronomers are using powerful space telescopes[2] to look for molecular indicators of biology in the atmospheres of the most Earth-like of these...
Study shows surge of imagery and fakes can precede international and political violence
Imagine a country with deep political divisions, where different groups don’t trust each other and violence seems likely. Now, imagine a flood of political images, hateful memes and mocking videos from domestic and foreign sources taking over social media. What is likely to happen next?
The widespread use of social media during times of...