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Press Association
Chris Whitty: We have probably reached the limit of what we can do
England's chief medical officer, Prof Chris Whitty, warned the nation had "probably reached near the limit or the limits" of what can be done to reopen society, meaning trade-offs may be needed to allow pupils to return to classrooms...
Crash Course Kids
Try Trials
Future engineers are bowled over with the wealth of information brought to them by this video. The focus is on engineers and the process they take to test solutions by isolating variables with multiple trials.