undertake

Brown’s new novel, “The Secret of Secrets,” is perhaps his most ambitious undertaking yet: a dense thriller that is also a meditation on the nature, and the possible future, of human consciousness.

Mr Edgley, originally from Grantham, Lincolnshire, documented the challenge extensively on social media, sharing videos of himself swimming in the "extreme" conditions and the recovery routines he undertook during his rests.

“It seems to be delaying the rate of brain aging,” said Dr. Tan, but getting people to follow these guidelines on their own, in any large-scale way, would be a massive undertaking.

Having surgery is a big undertaking, though, with significant risks.

"Our teaching bursary scheme offers a payment to career changers undertaking graduate teacher training in hard-to-fill subjects, including computing science."