Frightened of spiders? It could be in your DNA

Hypodermic needles, houseflies: both potentially threatening or repulsive but neither elicit the same response in the subjects of a recent experiment. The gut reaction of the many who experience arachnophobia, and 4 % of ...

'It's raining needles': Drug crisis creates pollution threat

They hide in weeds along hiking trails and in playground grass. They wash into rivers and float downstream to land on beaches. They pepper baseball dugouts, sidewalks and streets. Syringes left by drug users amid the heroin ...

Painless microneedle patch could replace needles

It's only a matter of time before drugs are administered via patches with painless microneedles instead of unpleasant injections. But designers need to balance the need for flexible, comfortable-to-wear material with effective ...

Robots help position interventional needles

Finding the ideal position for interventional needles – as used in biopsies, for instance – is a difficult and time-consuming process. This can now be performed automatically, using a robotic arm to place a needle guide ...

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