Gresham College provides outstanding educational talks and videos for the public free of charge. There are over 2,500 videos available on our website. Your support will help us to encourage people's love of learning for many years to come.
In 1977 or thereabouts a collection of scientists huddled around a secret radio receiver in the US desert. This was the start of GPS, Glonass, Gallileo and the whole navigation industry. But how does this technology work? And are there situations when it does not work?
Our gut is permanently full of large numbers of bacteria but serious infections rarely occur due to its extraordinary immune system. Public health has reduced but not eliminated transmission of these potentially dangerous infections.
Control measures including vaccination have reduced the risk of some, but not all, of these very serious infections. This lecture will cover how infections get into the brain, their effect and how we can prevent and treat them.
In the long run, in an Internet society, it is claimed, we will neither need nor want doctors, teachers, accountants, architects, the clergy, consultants, lawyers, and many others, to work as they did in the 20th century. - Is this true?
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