Category: Technology

Twenty-six years. That is roughly how much of our lives are spent asleep. Scientists have been trying to explain why we spend so much time sleeping since at least the ancient Greeks, but pinning down the exact functions of sleep has proven to be difficult. During the past decade, there has been a surge of […]

After its “birth” in the Big Bang, the universe consisted mainly of hydrogen and a few helium atoms. These are the lightest elements in the periodic table. More-or-less all elements heavier than helium were produced in the 13.8 billion years between the Big Bang and the present day. Stars have produced many of these heavier […]

Every day, 750 million people around the world engage with Tiktok – the short-video sharing app. Kenyans are among its top users. According to a Reuters Institute Digital News Report 2023, 54% of Kenyans sampled used TikTok for general purposes, the highest proportion among the countries in the survey. They also use TikTok to express […]

Have you ever lost all sense of space and time when redecorating a room? How about being so focused while playing an instrument that the worries that weighed you down a minute ago just evaporated? Then you’ve probably experienced “flow”. Flow is a term used in psychology to describe a state of heightened concentration, in […]

It’s a bumper year for elections on the continent: by the end of 2024, 20 countries ought to have gone to the polls to vote in national elections. A handful of others are also scheduled to conduct local-level elections. As is the case elsewhere in the world, digital technologies have come to play a key […]

With the arrival of spring, a timeless ritual begins anew: male birds fill the air with song, seeking to attract mates and defend their territories from other competing males. But there is a lot we still don’t understand about how birds learn which sounds to sing. Our latest study offers new insights and suggests genes […]

X-plane.  Aurora Aurora Flight Sciences’ new high-speed VTOL X-plane can fly at 519 mph. Aurora Flight Sciences, a subsidiary of Boeing, has recently finished a conceptual design review for a cutting-edge, high-speed vertical lift aircraft, known as an X-plane. X-plane.  Aurora This project is part of DARPA’s Speed and Runway Independent Technologies (SPRINT) program, which […]

It was the kind of task any competent seamstress has completed hundreds of times before: altering denim jeans and jerseys. But there was something different about this piece of work. Though our team of scientists were paying for it, we weren’t her ultimate customers – the clothes were to be worn by dead pigs. The […]