Jason Teh, 20, shirtless, world No. 250, is bent over and breathing hard in the biomechanics lab in the Singapore Sports Institute. The badminton player is just figuring out a little-known truth: Scientists in air-conditioned rooms might be politer than coaches but they're as ruthless. Data demands sweat.
We have been experiencing some problems with subscriber log-ins and apologise for the inconvenience caused. Until we resolve the issues, subscribers need not log in to access ST Digital articles. But a log-in is still required for our PDFs.