People who hate having injections will take heart from successful tests of a
needle-free drug delivery system. Powderject uses a small burst of helium gas to
drive a drug into the outer layers of the skin. Seven volunteers taking part in
the trial at the University of Maryland reported no pain or discomfort when the
drug was being given. The only response was a brief reddening of the skin.
More from New Scientist
Explore the latest news, articles and features

Technology
US government wants to have a useful quantum computer by 2028
News

Life
Childbirth for many primate species is even harder than for humans
News

Humans
Humans sleep the least of all apes – is it the secret to our success?
Features

91É«Ç鯬
Your menstrual cycle may affect how well vaccines work
News
Popular articles
Trending New Scientist articles
1
Humans sleep the least of all apes – is it the secret to our success?
2
Where, when and how to watch the 2026 solar eclipse
3
Childbirth for many primate species is even harder than for humans
4
US government wants to have a useful quantum computer by 2028
5
Our verdict on The Selfish Gene: An unpopular piece of popular science
6
Europe’s heatwave is the hottest and most humid ever
7
The best sci-fi novel in 2026 so far – plus 6 other great reads
8
Remote-controlled cockroach swarm can now breathe underwater
9
If you aren't terrified by this heatwave, you should be
10
Ancient human DNA found on cave art for the first time