Could dark matter be made of black holes from a different universe?

A simulation of the ‘cosmic web’, the vast network of threads and filaments that extends throughout the Universe. Dark matter density is represented by the blue-purple colours on the left. Gas density is represented by the orange-red colours on the right. Esa New research suggests that relic black holes from before the big bang may […]

Viktor Orbán’s election loss shows the limits of his propaganda machine

Hungarian voters have overwhelmingly rejected the 16-year rule of authoritarian strongman Viktor Orbán, electing his one-time political ally, Péter Magyar, to replace him. Magyar’s Tisza party has secured a two-thirds majority in parliament and therefore a supermajority. This will allow the new government to roll back some of the illiberal measures introduced Orbán governments over […]

What is the chance of a message in a bottle being found?

Jenny Sturm/Shutterstock Recently, a cheerful 100-year-old message in a bottle was found on the south-west coast of Australia. In it, a world war one soldier proclaimed to be “as happy as Larry”. If you’re a betting person, you probably wouldn’t expect great odds of this happening. A bottle cast into the ocean could end up […]

Gamblers don’t understand ‘free bets’ – and the costs can be huge

Gorodenkoff/Shutterstock “Welcome bonus: get 150% up to £150 on your first deposit”. It’s the kind of offer that greets anyone who visits a British online betting site. What it doesn’t say is that if you decide to spend £50 on this offer, you’d need to stake an additional £750 of your own money before any […]

It’s right under your nose – why some people can’t find things in plain sight

Andrey_Popov/Shutterstock.com Many households will recognise this familiar exchange. One person insists an object simply isn’t there: impossible to find despite what they describe as a thorough and highly competent search. Another walks in, glances briefly at the same spot and points to it almost immediately. “It’s right under your nose!” This frustrating (for both sides) […]