Detailed text transcripts for TV channel - BBCNEWS - 20210120:10:55:00
To be very aerodynamic. but this to make of clapping and cupping now appears to have given them an evolutionary advantage. the thinking is this technique developed by the humble butterfly could be applied to modern technology to make drones and underwater vehicles faster, travel further and last for longer. laura foster, bbc news. let's see that live shot of the white house again... 25,000 troops for the inauguration and a huge security operation. because of covid—19, the traditional acts will be absent. jae because of covid-19, the traditional acts will be absent.— acts will be absent. jo...