It's now the language of choice for communication between people who speak different native tongues.
How will people support themselves and find purpose in life when robots do all the work for us?
How long will it be until we form emotional and even marital bonds with synthetic beings?
As healthcare shifts from treating illness to preventing it, mental wellbeing may become a defining health priority of the 2040s.
ESA astronaut Sophie Adenot speaks from the International Space Station.
Workers of the future will live wherever they choose, rather than being tied to a fixed location.
We might be vacationing beyond Earth by 2050.
How does space change what we know about human emotions and our relationship with the planet?
Is lab-grown meat the answer to feeding the world with cruelty-free protein while reducing carbon emissions?
Is humanity ready to establish a sustained presence on the Moon?
When fertility clinics make irreparable errors, what should happen to children born in the wrong family?