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In addition to a player’s ability to throw it, a number of factors will influence a ball’s flight, including its size, inflation pressure and texture. (Shutterstock)

Higher, faster: what influences the aerodynamics of a football?

A football’s dimensions, pressure and texture affect its aerodynamics, i.e. the forces exerted by the air on the ball as it flies.
Letting AI do the dirty work of programming frees students to work on problem-solving. Issarawat Tattong/Moment via Getty Images

AI helps students skip right to the good stuff in this intro programming course

Learning to program requires mastering the nitty-gritty of code syntax. Generative AI turns out to be good at that. Adding AI to intro programming courses frees students to focus on problem-solving.
The CEOs of Discord, Snap, TikTok, X and Meta prepare to testify before the Senate Judiciary Committee on Jan. 31, 2024. Alex Wong/Getty Images

Are social media apps ‘dangerous products’? 2 scholars explain how the companies rely on young users but fail to protect them

As legislators rail against social media companies, the companies continue to put millions of young people at risk. Here’s how − and what can be done about it.
Control towers at airports are only the most visible parts of the complex national air traffic control system. Saul Loeb/AFP via Getty Images

Why AI can’t replace air traffic controllers

An air traffic safety expert explains why humans will remain central to managing the nation’s airports and airspace even as AI promises to improve air traffic control.
This little guy is very cute − and very white. Jiuguang Wang/Flickr

Why are so many robots white?

Humanoid robots tend to be white or resemble white people. Here’s why this is a problem and what social scientists, designers and engineers can do about it.

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