Using new techniques we obtain DNA signatures from a variety of fossil eggshells, including the extinct moa and elephant birds and 19, 000-year-old old emu.

我们还利用新技术检测了各类蛋壳化石，包括已灭绝的摩亚、象鸟以及19000年前的鸸鹋蛋壳，并从中获取了DNA签名。

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Those antibodies often don't appear until several weeks after infection, and some clinics are using new techniques to find anyone who is in the early stages of the disease.

这些抗体在感染几周后才产生，一些医疗机构正在使用新技术去诊断早期感染的病人。

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Paradoxically, by increasing surveillance-and using new techniques to parse that data effectively-invasions of privacy, while all the more ubiquitous, could become less noticeable and disruptive.

事与愿违，通过增加监视点——使用新技术有效分析数据——侵犯个人隐私，当监视变得越来越无所不在，就会变得不那么显而易见、具有破坏力。

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But XTO, with a smaller capital structure than the supermajors', is happy to invest in the neglected fields, using new techniques of 3-D imaging, horizontal drilling and so-called fracture stimulation--blowing open rock formations by injecting mudlike fluids down wells to get at big methane reservoirs.

FORBES: Oil & Gas Operations

This includes DNA on ligatures used to strangle the girls which was found using new forensic techniques.

BBC: Crown in Angus Sinclair World's End retrial move

But others are using fancy new techniques like cone-beam computerised tomography which actually expose people to much higher levels of radiation.

ECONOMIST: Confirmation that dental X-rays can be bad for you