Zhang Qing

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Google's prototype self-driving car will have a steering wheel after all

Google’s prototype self-driving car was unveiled to much fanfare with just two buttons – stop and go – for its test-track existence. But the introduction of new rules from the California department of motor vehicles (DMV) means the company will have reintroduce that near-obsolete technology known …

3D-printed implants infused with medicine to enable more effective drug delivery

A great strength of 3D-printing in the field of medicine is the ability to provide low-cost, personalized implants molded to a patient's anatomy. …

Camouflage sheet inspired by octopus

<b>Based on the camouflage abilities of octopuses and cuttlefish, engineers in the US have built a flexible material that changes colour to match its surroundings.</b><p>The new design features a grid of 1mm cells, containing a temperature-driven dye that switches colour on demand.<p>So far it only responds in …

Sweat-powered battery could charge your phone

<b>A sweaty gym workout is not only good for your health - it could also energise your phone.</b><p>A tattoo that produces power from perspiration has been unveiled at the American Chemical Society meeting.<p>The biobattery is fuelled by lactate - which is naturally present in sweat after vigorous exercise.<p>It …

Is there a ‘rising tide’ of anti-Semitism in the West?

<b>Following the recent conflict between Israel and Palestinians in Gaza, there have been reports from a number of countries of attacks targeting Jews. But does the evidence support claims that anti-Semitism is on the rise?</b><p>In France and Germany, synagogues and Jewish community centres have been …

Israel

'Suicide tourism' to Switzerland has doubled since 2009

The law on assisted suicide in Switzerland isn't clear, according to a paper published in the journal Law, Ethics and Medicine on August 20. That's why, the authors say, people from other countries are traveling to the state of Zurich for the "sole purpose of committing suicide."<p>They're called …

The fraught world of UK surrogacy

<b>In the UK you cannot pay for a woman to have your baby, regulation is loose and arrangements depend entirely on trust. Demand for surrogates far outstrips supply.</b><p>Sarah Jones has had six children - three with her husband, the others with three different couples who wanted children.<p>The youngest …

Surrogacy

Iraqi PM orders troops to make stand in Samarra; U.S. sends aircraft carrier

Iraq's leader directed his troops to make their stand against advancing Sunni militants in a flashpoint city home to a revered Shiite mosque, an order that highlights the sectarian fighting tearing the country apart.<p>Prime Minister Nuri al-Maliki's order came as he sought to put new fire in the …