Engagement in News Declining & Capturing CO2 With Limestone | WEF | Top Stories of the Week

This week's top stories of the week include:

0:15 Why engagement in the news is in decline - A massive media survey looked at trust and engagement in the news and found both are in steady decline. Just 48% of people say they are very or extremely interested in the news in 2023 down from 63% in 2017. Trust in the news has fallen 2 percentage points in a year. Now, only 40% say they trust the news most of the time and 36% say they actively avoid the news sometimes or often.

1:53 This robot can help people with disabilities dress - The robot was designed by a team at Carnegie Mellon University (CMU). They used a simulation to teach it how to perform its task. The team used an AI-driven approach called ‘reinforcement learning’. The robot was rewarded each time it correctly placed a shirt further along an arm.

3:25 Company captures and stores CO2 with limestone - Heirloom takes crushed limestone and heats it in a kiln powered by renewable energy. The reaction generates two products. These are CO2, which can be permanently stored underground or in materials like concrete and a powder, which is hydrated with water to make calcium hydroxide. When the calcium hydroxide is spread onto trays, it absorbs CO2 from the air to become limestone and the whole process can begin again.

5:24 How to use ChatGPT more safely - ChatGPT is an AI tool that gives detailed, natural language answers to prompts based on a database of 300 billion words drawn from books and articles. The AI learns from its interactions with you, so here are 5 ways to ensure you're using it safely.

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