Editor's note

To most of us, tigers just look like tigers. But scientists over the years have gradually identified exactly what it is that makes tigers in India different from those in Russia, China or Indonesia. Some differences are obvious, others so subtle they’ve only been revealed by the latest genome technology. Now, a new genetic study has confirmed there are indeed six different subspecies, each with its own special adaptations to local conditions. Tara Pirie looks at why this matters for tiger conservation.

A recent study from France made headlines for allegedly showing that organic food reduces your risk of cancer. But there’s a lot more to this story than meets the eye, says Tim Spector. He explains the link between certain types of cancer, pesticides and gut health and why he believes that spending a bit more on organic fruit and veg (and porridge oats) may be a price worth paying to keep your gut microbes healthy.

Saudi Arabia’s flagship investment conference, dubbed “Davos in the desert”, had a number of high-profile no-shows in the wake of journalist Jamal Khashoggi’s death. Rightly so, says Hari Tsoukas. Taking a moral stance is something we can expect more of from business leaders in the years to come – not least because morals increasingly matter for their bottom line.

You could be forgiven for thinking that when Count Dracula landed at Whitby in 1897 it was the first time a vampire had set foot on British soil. But Samantha George has been hunting down English vampire myths from the Middle Ages.

Will de Freitas

Environment + Energy Editor

Top stories

Ondrej Prosicky / shutterstock

Tigers confirmed as six subspecies, and that is a big deal for conservation

Tara Pirie, University of Reading

Distinct subspecies means each type of tiger is specially adapted to its environment.

Cutting out pesticides by eating only organic food could slash your cancer risk. Shutterstock

Organic food and cancer risk – gut microbe expert on latest research

Tim Spector, King's College London

New research suggests people who eat organic plant foods have a reduction in risk of common cancers.

Fedor Selivanov / Shutterstock.com

Davos in the desert: businesses are right to put principles before profit and pull out of Saudi investment conference

Haridimos Tsoukas, Warwick Business School, University of Warwick

Expect this kind of behaviour to increase in the years to come.

The Premature Burial. Antoine Wiertz (1854)

Older than Dracula: in search of the English vampire

Sam George, University of Hertfordshire

New research is uncovering medieval legends about the undead in Britain.

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  • US sparks new development race with China – but can it win?

    Seth Schindler, University of Manchester; Juan Miguel Kanai, University of Sheffield

    The International Development Finance Corporation is America's latest way of reining in China's growing global influence. It's going to need a bigger war chest.

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