Research into replacements for nitrogen-based fertilisers has been spurred by high prices and climate concerns.
The cast of Stranger Things on their 'take homes' from the hit show.
Maggie Grout has started an NGO that will 3D-print schools where access to education is not guaranteed.
The band reunited in public for the first time in 14 years, as they launched their Voyage show.
The band say they are "shocked and filled with overwhelming sadness" in a statement on social media.
Heard found herself in a tense exchange with Johnny Depp's attorney as the trial nears its end.
The prog-rock star died peacefully at home after a short illness, his bandmates have announced.
All four members of the Swedish band have reunited on the red carpet ahead of Voyage concert.
The actor died in his sleep in the Dominican Republic, his publicist confirms.
The 51-year-old from Essex had earlier complained of a pain in his arm, an inquest hears.