How to talk to extraterrestrials

In Steven Spielberg's 1977 film "Close Encounters of the Third Kind," extraterrestrials communicate with humans through a catchy five-note sequence. In Spielberg's 1982 blockbuster "E.T.," a diminutive alien learns basic ...

Invasive alien species? Isn't there an app for that?

Invasive alien species (IAS) are a leading contributor to biodiversity loss, and they cause annual economic damage in the order of hundreds of billions of US dollars in each of many countries around the world. Smartphone ...

Ladybirds: The insects almost everyone likes

Flies, wasps and mosquitoes struggle with their image, and you rarely meet people who whoop excitedly or start smiling when they see one. But have you ever met anyone who doesn't like ladybirds?

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