Business Daily

What impact has it had on the continent's tech startup scene? Tamasin Ford speaks to Bosun Tijani, founder of the CcHub in Lagos, about why tech hubs have been so important in driving innovation in recent years, and Ghanaian entrepreneur Charles Ofori Antipem who discusses what tech hubs can do better. The BBC's Massa Kanneh reports from Liberia on the challenges affecting tech hubs in Africa's less developed countries. (Photo: An IT professional in a server room, Credit: Getty Images)

The international companies investing in Nigerian cinema. France's Canal+ and streaming giant Netflix are among those who see potential for Nollywood, both inside and outside Africa. Are they right? Presented by Tamasin Ford. (Photo: Nollywood film DVDs on sale in Lagos, Nigeria, Credit: Getty Images)

The longevity industry aims to let everyone enjoy a healthy, active life well past the age of 100. But the question everyone will be asking is... will it happen in my lifetime? Manuela Saragosa reports from the Longevity Forum conference in London, where hundreds of researchers, investors, entrepreneurs and policymakers have gathered to try and answer this question. Among them, she speaks to billionaire investor Jim Mellon; London Business School economist Andrew Scott; the youthful venture capitalist Laura Deming; Columbia University geriatrician Linda Fried; and cryonics fan Anders Sandberg of the Future of Humanity Institute. (Picture: Retired couple larking about on a moped; Credit: stevecoleimages/Getty Images)

Google claims to have achieved a major breakthrough with "quantum supremacy". But what could quantum computers actually do, and how soon will they be useful? Manuela Saragosa speaks to Harvard quantum computing researcher Prineha Narang, who says that the devices she is working on are annoyingly "noisy", but could still make an important contribution to tackling climate change in the next few years. There are fears that quantum computers could one day crack modern encryption techniques - rendering private communications and financial transactions unsafe. But IBM cryptography researcher Vadim Lyubashevsky says don't worry, they've got the problem in hand. Plus, the BBC's technology correspondent Rory Cellan-Jones delineates the greatest paradox of quantum computers - that nobody can explain how they work. (Picture: Engineer working on IBM Q System One quantum computer; Credit: Misha Friedman/Getty Images)

One of the world's top thinkers on artificial intelligence, tells us why we should be cautious but not terrified at the prospect of computers that can outsmart us. Professor Stuart Russell of the University of California, Berkeley, tells Ed Butler where he thinks we are going wrong in setting objectives for existing artificial intelligence systems, and the risk of unintended consequences. Plus IBM fellow and computer engineer John Cohn talks about blockchain, deep neural networks and symbolic reasoning. (Picture: Ponderous robot; Credit: PhonlamaiPhoto/Getty Images)