NASA has sent an astronaut to the International Space Station to stay there for a year.

If you watch the season finale of The Walking Dead this Sunday, the story will likely evoke events from previous episodes, while making references to an array of minor and major characters. Such storytelling devices belie the show’s simplistic scenario of zombie survival, but are consistent with a major trend in television narrative.

With the season newly underway, Formula 1’s struggles are already clear to see. The exorbitant costs of competing, combined with uneven profits is especially hurting the chances of survival for smaller teams. In fact, with only ten teams on the grid – down from 20 in 1989 – 2015 risks being remembered as one of the least contented F1 championships of history.

The Australian federal government again failed in its attempt to allow universities to set their own prices for student fees. The key concern with the package was that student fees would rise sharply. However, this is not a necessary outcome of a deregulated university system.

Prices could be pressured to stay low if there were more competition.

Experiments dating back to the 1960s show people have less of a reaction to viewing an unpleasant image or experiencing an electric shock when they know it’s coming than when they’re not expecting it.

Orthorexia nervosa, the “health food eating disorder”, gets its name from the Greek word ortho, meaning straight, proper or correct.

This exaggerated focus on food can be seen today in some people who follow lifestyle movements such as “raw”, “clean” and “paleo”.

American doctor Steven Bratman coined the term “orthorexia nervosa” in 1997 some time after his experience in a commune in upstate New York.

It was there he developed an unhealthy obsession with eating “proper” food: