Tenet: Why we performed backwards and forwards
The Oscar-winning film’s VFX supervisor explains how the team created sequences inverted in time.
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‘We spent 40 days in a cave without sunlight or watches’
Fifteen people from various backgrounds have recently left a cave in south-west France after 40 days underground. The experiment was designed to see how the absence of clocks, daylight and external communications would affect the participants’ sense of time. Project director Christian Clot and Marina Lançon, one of the volunteers in the study, told BBC…
Life at 50C: The Baghdad traffic cop who works in 50C heat
Iraq is one of the most climate-vulnerable places on Earth. In Baghdad, traffic police sergeant Sa’d Saddam Abdulhasan is responsible for one of the city’s busiest junctions. He keeps the city moving but to do so he must work in 50C heat, while standing on black asphalt. Meanwhile, farmer Sheikh Kazem fights to continue farming…
Climate change: ‘Sea levels will rise even if carbon emissions are cut’
Sea levels will continue to rise for years to come even if the world cuts emissions of greenhouse gases, Prof Ed Hawkins, the lead author of the UN’s climate change report, has warned. He told BBC World News that if the world achieved net zero emissions it would stop extreme weather events getting worse, but…
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G7 need to take responsibility for Covid response – WHO
World Health Organization (WHO) special envoy on Covid-19, Dr David Nabarro, has called on G7 leaders to take responsibility, “beyond positioning”, and form a worldwide coronavirus response programme. The issue needs to be dealt with as a global challenge, Dr Nabarro told BBC World News, with a adequate finance, vaccines, diagnostics, treatment and political support….