By Ariel Marcy, 13 November 2024
As the year starts to wrap up, people around the world are listing things they’re grateful for. We think science should top those lists! Can you top our quiz?
Categories:
By Ariel Marcy, 6 November 2024
Training artificial intelligence (AI) can be as easy as 1, 2, 3! Teach an AI program or “model” to pull off a very simple card trick… and learn from its mistakes.
By Ariel Marcy, 5 November 2024
We’ve written a code using two different prime numbers less than 10. We then multiplied these two primes and used the resulting “code number” to shift the alphabet forward to new letters. Can you use the clues above to decode this message: DRO QYVN SC LEBSON SX DRO QKBNOX.
By Evrim Yazgin, 31 October 2024
The biggest ever prime number has just been found and it’s absolutely massive. It’s a number with more than 41 million digits. That means, if you were to type it out in size 12 font, it would be more than 8,000km long! That’s about the distance from Melbourne to Tokyo.
By Ariel Marcy, 30 October 2024
We have a gut feeling that you’ll like this highly digestible quiz. Are you hungry for a 5/5?
By Ariel Marcy, 23 October 2024
Rosario has a pink square of origami paper. She then folds one corner all the way to the square’s centre to make a new 5-sided shape. She discovers that the missing corner is exactly the same size as a piece of fairy bread! How many pieces of fairy bread would it take to cover the whole 5-sided shape?
By Ariel Marcy, 22 October 2024
Space is huge. But exactly how huge are the spaces between the Sun, Moon and planets? Find out by making a scale model of the inner solar system at your nearby park!
By Imma Perfetto, 17 October 2024
Friendly neighbourhood scientists have created their own version of Spider-Man’s webs. Their silk mixture can form a solid string when shot out of a needle and even stick to and lift objects!
By Ariel Marcy, 15 October 2024
With this quiz, everything is looking up! Can you dazzle us with a stellar 5/5?
By Ariel Marcy, 9 October 2024
Right before the bell rings, Jeri’s teacher throws up a problem on the board: “I’m thinking of a number. When I add its digits together and multiply by seven, I get the number I first thought of. The number is under 40.” Can you help Jeri find the number before class is dismissed?
12 months, 8 issues
Print & digital subscriptions available.
Sign up to our Double Helix newsletter
Stay in touch with new updates by signing up to our free newsletter
Perfect for ages 8 – 14
Developed by experienced editors
Engaging and motivating
*84% of readers are more interested in science
Engaging students voice