Sleepy sun thickens the slow solar wind
A recent slowdown in solar activity gives the first clue to a period of dramatic solar behaviour 350 years ago
Lifelogging: Crowdsourcing + life logs = big insights
New lifelogging devices can be meshed with data from the crowd to tackle hard-to-answer questions about human health and behaviour
Defrosting history: Lost lives thaw from glaciers
High mountains and latitudes were once thought far too bleak for ancient humans, but as icy patches melt they are revealing a rich world of human history
Mystery 'Hand of God' stars in celestial visual feast
From a black hole rainbow to the hand of God, a flood of new images wowed the American Astronomical Society meeting this week. See the best cosmic treats here
Lifelogging: What it's like to record your whole life
Gordon Bell, one of the first people to chronicle his existence digitally, explains how it has changed his life and the potential pitfalls
Feedback: How many ducks in a row?
How many ducks in a row? Elephants branch out, pachyderm pressure at heel, these tea trees not that tea tree and more
Lifelogging: Take a stroll down a virtual memory lane
What's the best way to annotate and explore the flood of pictures, video, audio and text that lifelogging generates?
Africa's road-building frenzy will transform continent
Expanding and upgrading Africa's sparse highway network could pull people out of poverty – and pose environmental challenges
Lifelogging: Even your home appliances could do it
Fridges, TVs and other gadgets can log your habits with the right software installed, doing away with the need to buy dedicated wristbands or sensors
Dementia: A silver lining but no room for complacency
The proportion of people with dementia seems to have declined. That's good, but there could be a downside, says NHS England's dementia chief Alistair Burns
Threatwatch: H5N1 death highlights global flu danger
The first death in North America due to H5N1 bird flu – in someone who flew to Canada from Beijing – shows the potentially devastating virus still stalks the planet
First light-bending calculator designed with metamaterials
"Invisibility cloaks" are what made them famous, but metamaterials have another use – doing mathematical calculations by bending light
Soup-up your immune cells to tackle drug-resistant TB
Tuberculosis infects billions of people and is increasingly resistant to drugs. Giving ourselves doses of our own boosted immune cells might help
Traffic app gives countdown to green lights
EnLighten feeds off real-time traffic data and provides a countdown and a chime to alert the driver before the lights change
Cygnus launch sparks science boom in low Earth orbit
Ants, antibiotics and a fleet of tiny satellites are now headed for the space station, heralding a scientific and commercial boom in space
Prehistoric sharks were earliest animals to migrate
A primitive shark that lived 310 million years ago is the earliest animal known to migrate, swimming downriver to the sea to breed
Preparing students to meet their genes in the classroom
Analysing students' own genomes is a fashionable way of teaching them about modern genetics – but how should they prepare before taking the test?
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