Fair-minded rats pay helpers with food

Norway rats reward helpful companions. Credit: Manon Schweinfurth Animal behaviour 01 February 2018 If you give a rat a treat, it might reciprocate the favour. ‘Rub my back and I’ll give you a sweet’ —...

Tumours grow where two gut bacteria thrive

A colon-cancer cell divides into two cells. Credit: Steve Gschmeissner/SPL Microbiology 01 February 2018 Microbes in the intestines of some people and mice make toxins that promote tumours. Two types of bacteria found in the...

Indian science budget fails to impress — despite funding boost

NEWS 01 February 2018 Ministers announce detailed spending plans, with focus on artificial intelligence and cyber systems. T.V. Padma Search for this author in: A briefcase plastered with Indian 2,000-rupee banknotes. Prime Minister Narendra Modi’s...