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Video 2022-02-21    
10 Years of DNA Origami

Keywords:

We know that DNA makes people and plants and puppies. So why not robots? Could it be possible to make tiny robots out of DNA? In 2006 Paul Rothemund found a way to make all sorts of tiny shapes ...


Pre-Intermediate 2022-02-20    
The History of Ballet

Keywords:

Ballet is a formalized kind of dance performance with a rich and interesting history.The word "ballet" comes from the French language,and is based on the Italian word"balletto.""Balletto" means a litt...


British English 2022-02-20    
Britain, Anti-bribery Laws

Keywords:

Britain. Anti-bribery laws. Palms ungreased. A long-delayed anti-bribery law will soon come into force. THERE is a lingering assumption among Britons that their country stands for probity and fa...


Intermediate 2022-02-19    
Peer Review of Peer Review

Keywords:

Hi John—how are you? Rennie: Hi Steve—just fine. Steve: You were at this conference and you were on a panel discussing peer review. Rennie: That's right! Steve: Let's talk about what peer review i...


British English 2022-02-18    
Britain, Budget

Keywords:

This was not the radical reforming budget it had been billed as. But its heart was in the right place “THIS is not a tax-raising budget. But nor can we afford a giveaway.” Thus George Osborne, the ...


Pre-Intermediate 2022-02-18    
Nile Perch

Keywords:

What are you wearing on your feet right now? Maybe you are wearing plastic summer shoes. Or maybe you are wearing soft shoes made of cloth. Are you wearing strong leather shoes made from animal skin? ...


Intermediate 2022-02-17    
Atul Gawande, Author of ‘Better’

Keywords:

Dr. Gawande, great to talk to you today. Gawande: Thanks for having me on. Steve: My pleasure. You are a surgeon and a writer. What's your general background? I know your dad was a doctor, too, from...


Video 2022-02-17    
DNA Replication (Advanced Detail)

Keywords:

During DNA replication, both strands of the double helix act as templates for the formation of new DNA molecules. Copying occurs at a localized region called the replication fork, which is a Y shaped ...


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