Rainforest species didn't co-evolve with fire – and even a low intensity wildfire can kill half the trees.
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While the world watches the Brazilian Amazon burn, across the border in Bolivia it’s also ablaze.
New research uses a different technique to give a much lower estimate.
Ukraine is struggling to assert its national identity and unite against pressure from Russia.
A ceasefire with the Taliban won't make it safe to send more refugees back to Afghanistan.
A fundamental driver of inequality is the race to the bottom in how governments set their corporate tax rates.
Scientists explain why commercial gene testing should be used with caution.
This selection of films shows the problem of extremism in its complexity, examining how real people can become radicalised.
You've no one to blame but yourself, according to science.
We need to change diagnosis of ovarian cancer from late stage to early - scientists make steps
Trust has been broken, and will not be easily fixed.
New research shows that extra-curricular activities do more to help close the attainment gap between richer and poorer pupils than nebulous lessons in 'character'.
If we want an improved theory of particle physics, understanding neutrino masses is key.
It seems genes have a greater influence than previously thought not only on the number of moles you have but also where they are on your body.
A study of Batek hunter-gatherers from Malaysia shows how laughter can shape our ethical values.
Greenland and Denmark have a complicated history, but the connection runs deeper than economic convenience.
BBC presenter John Humphrys seems to think the school of hard knocks is superior to academe. He's wrong.
From mobile phones to artificial wombs: what a breathtakingly visionary set of predictions from a century ago can teach us about our attempts to forecast the future today.
Two thirds of China's 900m rural residents are moving to cities. Now, architects are finding ways to preserve their built heritage, before it disappears.
Your next flight could be the single biggest contribution to global warming you make all year. Experts imagine how we might travel in future, without the 'flygskam'.
The way of life primates have evolved to live cannot be replicated in a human home.
The use of fossil fuels has to end and be replaced by sustainable energy as quickly as possible. The Paris Agreement was a good start but states continuing to work together is key.
We're facing an arms race to build an artificial super-intelligence – this could be a disaster without government action.
The EU is loathe to let treaties fail, given the sunk costs of negotiating them, but it may walk away if Johnson doesn't change his tune.
Late trains, anxiety, stressful commutes, disruption to family life – just some of the woes of train customers.