A new program can change the words spoken on a voice recording.
Nanotechnology could be used to turn spinach plants into bomb detectors.
A new telescope may have to move its location because of local opposition.
Scientists are trying a new way to reduce the threat from Zika virus in Brazil and Colombia.
Search engines decide what information you see, but they might not be neutral.
A Mars probe's landing hasn't gone as planned.
Added vitamin A makes sweet potato a life-saver for millions.
A probe is getting ready to land on Mars next week, whatever the weather.
The Nobel Prize in Physics has been awarded to three British scientists.
Some children have been found to have an immune system that stops them from developing AIDS.