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Science + Tech – Articles, Analysis, Comment

Displaying 5426 - 5450 of 5718 articles

Children are already experimenting. Teachers need the skills to keep up. San Jose Library

Teachers need confidence to teach coding properly

Michael Gove is ploughing ahead with plans to gather an elite team of computer science experts to help bring coding into schools. He has rightly acknowledged that teaching programming in schools is vital…
Virgo consortium: the web that holds the galaxies together. Rich Murray

Filaments that bind galaxies together illuminated by a quasar

According to cosmologists, galaxies are joined together by filaments, quite literally. These filaments form the cosmic web and are made of mostly dark matter, many stars and some gas. Observing these filaments…
A pair of lesser flamingos in Mumbai’s busy port area. Madhusudan Katti

Biodiversity can flourish on an urban planet

Mention the word biodiversity to a city dweller and images of remote natural beauty will probably come to mind – not an empty car park around the corner. Wildlife, we think, should be found in wild places…
18th century German cranial brace and bit to create holes in the skulls. Wellcome Library

Ten weird and terrifying medical instruments from the past

The UK’s largest medical charity, the Wellcome Trust, has made its vast database of images freely available to all. The collection holds photos of hundreds of years worth of medicine, instruments and scientific…
Next, we wait for Philae lander to touch down on the comet. ESA–J. Huart

Relief as Rosetta wakes up, but still we hold our breath

Out of hibernation, Rosetta stirs at last. As one of the scientists involved in the mission, news that the unmanned spacecraft has woken up and restored contact with Earth comes as a great relief. It contains…
I’ll be right with you sir, just after I put this cup away. This is a cup, right? garrettc

Your robot helper is on the way now it can learn from its friends

January is a time when many of us seek to better ourselves. We want to learn a new skill or improve an existing one. A network designed especially for robots, RoboEarth, is being tested in the Netherlands…
Following the leader has its benefits. Markus Unsöld

Doing maths on the fly, birds form V for efficiency

Across the globe, hundreds of species of birds can be seen flying in V-formations. We have long suspected that these formation might help birds fly with less effort. Yet the precise mechanics have remained…
Trypanosomes in the blood. Wendy Gibson

Caught in the act: microbes do have sex

There is no denying that humans think sex is important, but it also matters for microbes. Sex allows genes from two parents to be mixed, leading to new combinations of genes in the offspring. In the past…
Just hold still while I check your back story. NameTag

The app that checks whether your date is a sex offender

An app on offer in the US says it can determine whether the person you are dating has anything to hide, using facial recognition to see if they are on the sex offenders register. This should make us question…
Honeypot ants: living larder. Alex Wild (www.alexanderwild.com)

Even among ants, size matters more than shape

Worker ants are a funny old bunch, of many shapes and sizes. But they tend to get bigger and smaller much more often than evolving entirely new shapes, according to a new study. While most animals juggle…
Went to CES, couldn’t decide, so bought the lot. Robert Scoble

Wearable tech sees all, so choose what you want to share

This week’s Consumer Electronics Show in Las Vegas has offered up a veritable smörgåsbord of wearable technology. We’ve seen devices of all kinds to tempt us into this new age. So now is the time to decide…
Curved TV: the future. Using glam girls to advertise tech? Not so much. samsungtomorrow

You don’t need a curved TV, but 4K is the future

There has been a lot of hype and misinformation in the press over the last few weeks about the future of television. At the CES Electronics Showin Las Vegas, curved screens and 4K TV are being touted as…
Beating computers is hard, and it’s going to get harder. George Widman/AP

How to teach Deep Blue to play poker and deliver groceries

Deep Blue gained world-wide attention in 1997 when it defeated the then chess world champion Garry Kasparov. But playing chess was all that Deep Blue could do. Ask it to play another game, even a simpler…
Another mass extinction? Bring it on! boogeyman13

How mass extinctions drove the evolution of dinosaurs

For 20 privileged Victorians, Benjamin Waterhouse Hawkins held a lavish New Year’s dinner party in 1853 inside a model of a dinosaur that was created for the Great Exhibition held two years earlier. Hawkins’s…