A
Four Online Events
The handshake：an anthropologist’s guide
What is its biological purpose？What are the best and worst handshakes？In this talk，scientist Ella Al-Shamahi examines the power of touch and argues the handshake is at least 7 million years old．This event will start at 18:00 pm on 25 March and will last one hour．Standard ticket price：£15（A 20％ discount for those who buy the ticket before March 20．）
A rescue plan for nature
What do we need to do to restore the planet 's biodiversity and prevent the next pandemic（疫情）？Join scientist Cristian Samper as he talks about how our ignoring nature caused the pandemic-and how we can seize a unique opportunity to build back better．This free event will start at 18:00 pm on 15 April．
Origins of life
Why is the planet the way it is？How did we get here？Does everything happen for a reason or are some things left to chance？Research shows we live in a world driven by chance．In this talk，biologist Sean B Carroll will tell the stories of the mother of all accidents，and the surprising power of chance in our lives and the world．This event will start at 19:30 pm on 22 April and will last two hours．Standard ticket price：£18（A 10％ discount for those who buy the ticket before April 17．）
The truth about exercise
Should we all be hitting the gym three times a week？Should we worry about sitting to omuch？If you are strong and fit，can you get away with being inactive？In this talk，specialist Jason Gill introduces what science can really tell us about how much we need to move to live a healthy life．This event will start at 19:00 pm on May 13 and will last one hour，Standard ticket price：£12（A 15％ discount for those who buy the ticket before May 8．）
21．How much should you at least spend on the event about the handshake？
A．£10.2． B．£12． C．£13． D．£16.2．
22．From whom can you learn about the origins of life？
A．Ella Al-Shamahi． B． Cristian Samper．
C．Sean B Carroll． D．Jason Gill．
23．What does the four online talks have in common？
A．They are science-based． B．They are about cultures．
C．They are related to nature． D．They are intended for the young．
