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New Activity

The latest activity to be updated on this site is called "Hot Numbers" (Move the numbered cards to form five 2-digit numbers which obey the given rules. A ten-stage numeracy challenge.).

So far this activity has been accessed 22707 times and 28 people have earned a Transum Trophy for completing it.

Featured Activity

Without Lifting

Without Lifting

Can you draw these diagrams without lifting your pencil from the paper? This is an interactive version of the traditional puzzle. Some diagrams are possible while others are not. What is the rule?

Recent News:

Chirality of Weyl fermions

Quasiparticles that behave like massless fermions, known as Weyl fermions, have been in recent years at the center of a string of exciting findings in condensed matter physics. Physicists now report experiments in which they got a handle on one of the defining properties of Weyl fermions -- their chirality. more...

Famous 'sandpile model' shown to move like a traveling sand dune

The so-called Abelian sandpile model has been studied by scientists for more than 30 years. Even though the sandpile model serves as the archetypical model to study self-organized criticality, questions about its characteristics are still open and remain an active field of research. Researchers have now discovered a new property of this mathematical model: they managed to induce dynamics in the self-similar fractal patterns reminiscent of sand dunes in the desert. more...

Positive thinking during pregnancy may help children's ability in math and science

Your attitude during pregnancy could have an effect on your child's ability in math and science, according to a new study. more...

Bees can do basic arithmetic

Researchers set out to test whether bees could do math, building on a groundbreaking finding that bees understand the concept of zero. The new study shows bees can be taught to recognize colors as symbolic representations for addition and subtraction, and use this information to solve arithmetic problems. The revelation that even the miniature brain of a honeybee can grasp basic mathematical operations has implications for the future development of AI. more...

Variations in seafloor create freak ocean waves

Researchers have found that abrupt variations in the seafloor can cause dangerous ocean waves known as rogue or freak waves -- waves so catastrophic that they were once thought to be the figments of seafarers' imaginations. more...

Researchers wing it in mimicking evolution to discover best shape for flight

A team of mathematicians has determined the ideal wing shape for fast flapping flight -- a discovery that offers promise for better methods for harvesting energy from water as well as for enhancing air speed. more...

Static electricity could charge our electronics

Static electricity is one of the most common, yet poorly understand, forms of power generation. A new study suggests the cause of this hair-raising phenomenon is tiny structural changes that occur at the surface of materials when they come into contact with each other. The finding could someday help technology companies create more sustainable and longer-lasting power sources for small electronic devices. more...

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