A new report by the World Weather Attribution consortium demonstrates the impact of global warming on flooding in Pakistan. The consortium are helping to assess the link between humanitarian disasters and global change, faster than ever before.

The work, conducted by a team of statisticians, climate experts, and local weather experts, is part of an emerging field in science called Extreme Event Attribution, and can reliably provide assessments in the immediate aftermath of an extreme weather event

The report follows widescale flooding in Pakistan that has disrupted the lives of over 33 million people. Dr. Friederike Otto from the Grantham Institute for Climate Change explains some of the network’s conclusions as to the causes behind this devastating flood. Can it all be down to climate change?

Also this week, we speak to Prof Oyewale Tomori of the African Centre of Excellence for Genomics of Infectious Diseases, who writes in this week’s journal Science about what he believes African countries’ role should be in response to the Monkeypox pandemic, and how future academic work in the area should be more homegrown.

Finally, psychologist Lynda Boothroyd talks us through a new study about how the arrival of television in people’s lives can help shape unhealthy and negative perceptions of body image. The study, conducted in Nicaragua, amongst communities only recently connected to electricity supplies, is helping to show how the media could play a part in contributing to conditions like eating disorders.

Laugh and the world laughs with you, or so you might think. But watch any good comedian on TV by yourself and chances are you’ll laugh a lot less than if you were sitting in a lively comedy crowd watching the same comedian in the flesh. But why is that? Is there such a thing as herd laughter? And do people from different cultures and corners of the world all laugh at the same things and in the same way? These are questions raised by CrowdScience listener Samuel in Ghana who wonders why he’s always cracking up more easily than those around him. Presenter Caroline Steel digs into whether it’s our personality, the people around us, or the atmosphere of the room that determines how much we giggle, following neuroscience and ergonomics on a global trail in search of a good laugh.

(Image: Pakistani people move to a safer place due to flooding. Credit: Jan Ali Laghari/Anadolu Agency via Getty Images)

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