The documents, presented in Israel last month to officials from the Departments of State and Defense, raise concerns ...

A viral optical illusion challenges viewers to find a tiny hidden detail among rows of identical patterns, testing visual focus and patience while revealing how easily the brain overlooks subtle ...

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...

Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't be said when we're asked how many minutes are in 2.4 hours (it's 144).

Most of us have little trouble working out how many millilitres are in 2.4 litres of water (it’s 2,400). But the same can’t ...

A viral optical illusion challenges you to find the hidden number '788' amidst a crowd of '789's' in just 7 seconds. This ...