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Video 2022-09-05    
Reflex and Sensitization in a Sea Slug

Keywords:

So we're looking at an Aplysia stretched out. We're going to focus in on the gill and the siphon. We're going to apply an extremely weak stimulus so you can see the amplification with s...


British English 2022-09-04    
Severiano Ballesteros II

Keywords:

But pride fired him more. Man and boy, he was consumed by the need to prove himself. First against his three brothers, who also became professional golfers; against the old guard at the Royal Golf Clu...


Pre-Intermediate 2022-09-04    
Program UNAIDS

Keywords:

More than eight million people around the world are now receiving antiretroviral drug therapy.That is a twenty percent increase over the past year.All those receiving the treatment have the human immu...


Intermediate 2022-09-03    
Is Evolution True

Keywords:

Steve: You're doing really interesting work. You've decoupled sort of, "Is evolution true?", you know, "What are problems with evolution?", from people's interpretations of whether or not they accept ...


Video 2022-09-03    
Capturing a Portrait of Humanity's Home

Keywords:

Later, from a V-2 Rocket, you got the most graphic, actual pictures yet taken by a camera showing how the earth looks from a point 70 miles in space. Though no man has yet ventured m...


British English 2022-09-02    
Severiano Ballesteros I

Keywords:

As he struck the ball, Seve Ballesteros feared he had overdone it. After a good 3-wood tee shot and a decent sand-wedge to the 18th green at St Andrews in 1984, the ball was only 15 feet below the hol...


Pre-Intermediate 2022-09-02    
Ken Saro-Wiwa

Keywords:

‘Ogoni is the land The people, Ogoni’ ‘It is the poisoned air polluting the lungs Of dying children’. Ken Saro-Wiwa wrote these words from his prison cell. They speak about the troubles of his ...


Intermediate 2022-09-01    
Does Dark Energy Really Exist

Keywords:

Steve: The cover story "Does Dark Energy Really Exist?" Rennie: Every time certainly, we publish articles about dark energy there are [a] certain number of people who I think, quite understandably, s...


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