TECH
Drugs with a built-in doctor Particles that monitor conditions around them and make simple decisions about whether to release their drug payload could be developed for cancer treatments that target tumours more effectively
SPACE
Comets, not asteroids, to blame for moon’s scarred face Greenland rocks suggest dirty snowballs pummelled the young moon and Earth, soaking our planet and pockmarking the moon
TECH
US military develops son of Clippy Microsoft retired its infuriating animated paperclip two years ago but the US defence research agency DARPA has spent more than $100m on developing a virtual assistant of its own. iPhone…
