For years we were told to get eight hours of sleep. A huge study of more than 3.5 million people found the lowest risk of death at about seven hours. Even stranger, sleeping too long was linked to more risk than sleeping too little. Here is what the numbers show, why scientists think long sleep looks risky, and how much sleep you really need.
Read the storyDavid Sinclair believes aging can be slowed and maybe even turned back. His list of things he never does has passed 1.6 million views. Each habit comes from a lab result that changed how he lives.
Read the storySantaco has not raised fares yet, but diesel is up R3.24 a litre and taxi owners are counting. We did the maths on what the October hike costs a taxi, what fares already went up this year, and what an extra R3 a trip does to a month of commuting.
Read the storyOld SASSA gold cards were blocked after 31 August. The grant still lands in your Postbank account every month. Here is how to swap to a Black Card for free, what to bring, and how to avoid the scams.
Read the storyA new ranking puts the green South African passport 86th out of 199, down seven places in a year. Another index says 50th. We explain why both are right, what the Home Affairs fraud cases have to do with it, and list all 108 places you can still enter without applying for a visa first.
Read the storyDaisuke Hori says he has slept about 30 minutes a day since his twenties. He streamed his life around the clock for a week to prove it, and the internet is still arguing about what it saw.
Read the storyWhen food runs out, your cells start breaking down their own worn-out parts and recycling them. A Japanese scientist won the 2016 Nobel Prize for showing how it works.
Read the storyThe $111 billion deal is done. HBO, DC, Nickelodeon, Cartoon Network, CNN, CBS and Paramount+ now sit inside one company run by David Ellison, son of one of the richest men alive.
Read the storyScientists pooled more than 50 studies and found coffee drinkers stayed healthier for longer. When you drink it may matter even more than how much.
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