The Top Unsolved Questions in Mathematics Remain Mostly Mysterious

  Credit:  Getty Images Twenty-one years ago this week, mathematicians released a list of the top seven unsolved problems in the field. Answ...

A Random Walk through the English Language

  Andrei Andreyevich Markov , the atheist ( left ) and  Pavel Alekseevich Nekrasov , the believer ( right ). Credit: Alamy Here’s a game  Cl...

A Modest Proposal: Let’s Change Earth’s Orbit

  Credit:  Getty Images During a congressional hearing last week, Republican Representative Louie Gohmert of Texas asked a U.S. Forest Servi...

A rectangular fish tank is 80 cm long, 50cm wide and 35cm high. If it is 3/4 full of water, calculate the volume of water in litres [1000cm^3 = 1 litre] and the depth of the water in the tank.

safety regulations say that there should be at least 12m^3 for each person in a room where people sleep. a room is 12m long, 15m wide and 5m high. what is the maximum number of people who can sleep in it safely?

Find the square of 132 and 528