The nature and origins of dark matter remain among the greatest mysteries in modern physics. While some theories point towards its existence, making up around 80% of the universe’s matter, scientists ...

A mirror can seem deceptively simple. To us, it is an everyday object, useful for checking appearances or watching what is happening behind us. Yet understanding a reflection requires more than seeing ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock Scientists have now shown that octopuses can learn to use mirror reflections to find food hidden from direct ...