It has been five years since May 25, 2020, when George Floyd gasped for air beneath the knee of a Minneapolis police officer[1] at the corner of 38th Street and Chicago Avenue. Five years since 17-year-old Darnella Frazier stood outside Cup Foods, raised her phone and bore witness[2] to nine minutes and 29 seconds that would galvanize a...
Will AI take your job? The answer could hinge on the 4 S’s of the technology’s advantages over humans
If you’ve worried that AI might take your job, deprive you of your livelihood, or maybe even replace your role in society, it probably feels good to see the latest AI tools fail spectacularly. If AI recommends glue as a pizza topping[1], then you’re safe for another day.
But the fact remains that AI already has definite advantages...
Repairing serious DNA damage to maintain the genome
Your DNA is continually damaged[1] by sources both inside and outside your body. One especially severe form of damage called a double-strand break[2] involves the severing of both strands of the DNA double helix.
Double-strand breaks are among the most difficult forms of DNA damage for cells to repair because they disrupt the continuity of...
Is Mars really red? A physicist explains the planet’s reddish hue and why it looks different to some telescopes
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]. Is Mars really as red as people say it is? – Jasmine, age 14, Everson, Washington People from cultures across the world have been looking at Mars since ancient times. Because
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