Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

An unknot (also known as the trivial knot) can be drawn with any number of crossings. Any possible manipulation of a knot diagram that does not fundamentally change the knot can be achieved by a ...

Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if they are instead gravastars, fuzzballs or something else entirely ...

When fifth-grade teacher Ana Sanchez handed out the math pop quiz Tuesday before lunch and recess, none of the students were excited. No talking allowed, Sanchez reminded her students at Mount Rose ...

Understanding singularities is key to resolving gaps in physics, with theories like string theory and causal set theory offering new insights into the universe.