Awful, scary, really painful experiments, usually involving needles.

New Jersey residents can take a H.I.V. test that does not involve needles.

Although doing that would involve needles and probably make you cry.

And the process of keeping this tiny being alive will involve needles, tubes.

It involves taxation, needles and sacred krisses.

The use of some illicit drugs can involve hypodermic needles.

Most skin testing does not involve needles and typically skin testing results in minimal patient discomfort.

However, these injuries typically involve small-bore needles that contain only limited amounts of blood, and the viability of any virus present is limited.

It is primarily spread through sexual contact, intravenous drug abuse involving shared needles and contact with infected blood.

Biopsies may involve needles (pictured) or open incisions.