Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.
Astronomers from Keele University in the UK have utilized NASA's planet-hunting TESS telescope to investigate a ...
Researchers from Stockholm University and the Indian Institute of Science Education and Research (IISER) Mohali have reported ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results