While inspiring creativity and fostering online communities, apps like TikTok raise concerns about potential harm to users’ health. By ANDREW DUNNE Since Jinnet Paola Pedraza (Pao_la_Periodista) first downloaded TikTok in 2019, she has become one of the social media site’s biggest advocates and more popular users. Her short video reels about 2021 mass protests in Colombia … Read more
Cities across Europe are working with researchers to turn organic waste such as coffee grounds into valuable goods. By PIETER DEVUYST It’s hard to imagine a world without coffee given how many people enjoy kick-starting their day with a freshly brewed cup. Once the coffee beans are roasted and brewed, the leftover powder – coffee grounds … Read more
As knowledge increases about how auditory troubles develop, new technological advances are set to cut through the clamour. By ANTHONY KING Meeting a few friends in a noisy café can mean straining to hear all the conversation. It can be more of a struggle, with age, to make out what a companion is saying in a … Read more
The management of these natural barriers through the ages could hold lessons for coping with climate change and rising sea levels today. By SOFIA STRODT The 200 million Europeans who live in coastal zones are already feeling the impact of global warming through extreme variations in sea level and flooding. Many parts of Europe could suffer … Read more
Inexpensive new materials and sensors will help even small museums prevent irreversible damage to objects. By ALEX WHITING Overlooking the waters of the Grand Canal in Venice, the former home of American art collector Peggy Guggenheim houses one of Italy’s most important collections of 20th century works. Until recently, many of them were at risk from an … Read more
Microalgae in sediments signal what happened in the environment thousands of years ago, illuminating the range of future climate-change impacts. By VEDRANA SIMIČEVIĆ In the freezing Arctic waters of Greenland’s Melville Bay, palaeoclimatologist Sara Harðardóttir and her colleagues faced a moment of suspense aboard their vessel. The scientists deployed a heavy-duty gravity corer – a device … Read more