09/02/2015

How big is the biggest star we have ever found?

The universe is such a big place that it is easy to get baffled by the measurements that astronomers make. The size of UY Scuti, possibly one of the largest stars we have observed to date, is certainly baffling.

Space-time theory may reconcile black hole conundrum

We've come a long way in 13.8 billion years; but despite our impressively extensive understanding of the Universe, there are still a few strings left untied. For one, there is the oft-cited disconnect between general relativity, ...

Bracelet that monitors real-time health signs for the elderly

The trend of wearable devices (smart accessories) like bracelets, sunglasses and watches, is rarely focused on the elderly population. However, Mexican Francisco Lopez-Lira Fennel, who lives in Spain, wants these devices ...

Soviet cosmonauts carried a bear-killing shotgun into space

Anything can happen during a launch or landing of a crewed spacecraft, and just in case the crew would end up stranded in a remote area of the world, astronauts and cosmonauts undergo survival training and carry survival ...

Running faster equals disaster

Trading maximum speed for manoeuvrability may be essential to surviving a run-in with a predator, a new study shows.

An Internet of Things reality check

Connecting different kinds of devices, not just computers and communications devices, to the Internet could lead to new ways of working with a wide range of machinery, sensors, domestic and other appliances. Writing in the ...

Genetic code cracked for worldwide dog and human parasite

For the first time, scientists have sequenced the genetic code of Toxocara canis, a roundworm that causes disease in humans and animals, which paves the way for new drugs, vaccines and diagnostic tests.

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