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All the latest on newscientist.com: Cassini's last hurrah, NHS chatbots, sacrificial spiders and more

End-of-life chatbot can help you with difficult final decisions

A virtual agent that helps people have conversations about their funeral plans, wills and spiritual matters is set to be trialled in Boston over the next two years with people who are terminally ill.

Blind people repurpose the brain鈥檚 visual areas for language

People who are blind use parts of their brain that normally handle听for vision to process language, as well as sounds 鈥 highlighting the brain鈥檚 extraordinary ability to requisition unused real estate for new functions.

How much carbon dioxide can we emit before global warming chaos?

The Paris Agreement听aspires to limit global warming to 1.5掳C above pre-industrial levels. But is this target at all听realistic?

Science after Brexit will be weaker all round

The UK government鈥檚 position paper is long on lofty ambitions for future collaboration, but the gory details suggest they will be extremely difficult to achieve

Sacrificial virgin spiders let their nieces eat them alive

In one species of spider, unmated females not only care for other spiders鈥 offspring, they allow the tiny spiderlings to devour their insides

The NHS is using a chatbot to do tedious corporate team-building

The UK鈥檚 National Health Service and 10 big firms are experimenting with CoachBot, which replaces 鈥渃oaching and development鈥 staff with an automated chatbot

Not just a headache: How migraine changes your brain

Migraine changes the way you experience the world all the time, not just during an attack. It鈥檚 time for a new approach to treatment

What if the diminutive electron isn鈥檛 as small as it gets?

We thought electrons and their two mysterious siblings were fundamental particles. Now there are hints that we need to go smaller still to understand matter

Lost in meditation: Two books argue over mindfulness

Meditation and mindfulness may be good for us, or they may encourage narcissism. Explore different paths to enlightenment

Watching Cassini鈥檚 last moments from inside NASA mission control

The Cassini team was at once somber and excited as they watched the spacecraft鈥檚 radio heartbeat flicker out. Mika McKinnon joined them to say goodbye

Brown dwarfs have strong magnetic fields just like real stars

Failed stars called brown dwarfs straddle the line between big planets and small stars. An observation of a magnetic field puts another tick in the star column

Five mythical animals that turned out to be real

Sometimes the tales travellers tell of strange creatures they have seen in a remote part of the world are true

Final pictures from Cassini as probe smashes into Saturn

Say goodbye to humanity鈥檚 outpost at Saturn with a look at Cassini鈥檚 final images before it was swallowed by Saturn鈥檚 atmosphere