SpaceA little less ET, a little more astrophysics, if you please The role of science is to rule out the boring and tedious before we embrace the extraordinary, like alien signals or "megastructures", says Geraint LewisComment
HumansSubway chicken row shows faith in food is still a battleground Complex, opaque supply chains mean consumer trust in processed foods is vulnerable like never before. What can be done, wonders science writer Nicola Temple Comment