Zhang Qing

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

Rules set by the California DMV require a steering wheel on all test vehicles so that the driver can take over in the case of failure<p>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 …

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

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 …

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 …