Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

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Odyssey Math Tuition offers H2 Math online courses for JC 1 and JC 2 students in Singapore, featuring a proprietary ...

We pioneered the application of evolutionary biology to cancer and established cancer stem cells as the units of natural selection.

Introduction In October 2025, the International Institute for the Middle East and Balkan Studies (IFIMES) in Ljubljana ...