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Do you like to prank your friends and family? Give this little contraption a go. It’s the perfect thing to make someone jump, without causing any harm.

On Sunday, 1 January, Latda announced her New Year’s resolution. “Throughout this year, on the fifth Sunday of the month, I’ll throw a party!” How many fifth Sunday parties did Latda celebrate that year?

There’s nothing quite like the smell of a forest. But the trees aren’t making these smells for your benefit. There’s got to be something in it for them – but what?

Do you have a few leftover plastic cups and straws that you want to keep from turning into waste? Save them up and make a cascading waterfall!

Peter’s just finished building a new staircase up to the attic. It just fits along the four-metre-long wall of his lounge room, and it’s three metres tall. It has exactly 15 steps. Peter wants to have a carpet running along the staircase. How long does it need to be?

Sometimes space missions can seem a bit faddish. Four spacecraft are currently orbiting Mars, and at least three missions are looking for new planets outside our solar system. But the new hotness, it seems, is asteroids.

Time to celebrate! For only the second time ever, an Australian has won the most famous prize in mathematics – the Fields Medal. Let’s take a moment to celebrate the achievements of the winner, Akshay Venkatesh.

Can you work out the next letter in this sequence? H, T, Q, F, S, S, E, N, … Hint: There are numbers lurking behind those letters. And as it grows, this sequence is shrinking!

Wholly for your enjoyment, we’ve included several hole-related questions in this quiz. Don’t peek at the answers, or your victory might seem …. hollow!

Learn some fluffy and delicious chemistry by following this marshmallow recipe.