US comedian Pete Davidson’s replacement for the upcoming Blue Origin NS-20 space flight will be the New Shepard chief architect, Gary Lai. Lai has been with the space tourism company for 18 years and holds several patents related to the New Shepard rocket's design.

We find out why dinosaurs were “just really unlucky” that sulphur gases and climate cooling sped up their extinction. President Joe Biden says Russia is ‘exploring’ US cyber-attacks. We speak to a scientist in Utah who is getting climbers to help them research the state’s famous rock formations. 

Also, how scientists are decoding pig emotions from their sounds, why diamonds may stud Mercury’s crust and data shows that stomach bugs decreased by more than half during the first sixth months of lockdown. Plus, how orangutans use ‘cool’ slang. 

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