How did the light-emitting diode change the world? And, come to mention it, might it perversely actually prompt us to puff more carbon dioxide into the atmosphere?
Police in Geneva have fired tear gas and water cannons at protesters who set fire to a Tesla vehicle and smashed windows at a UN agency in protests ahead of Monday's G7 summit in neighbouring France.
A daredevil adventurer nicknamed "The Spider-Man of Yemen" has died after falling into a volcano crater while attempting to climb a vertical rock face without safety equipment.
Sir Lewis Hamilton has won his first Formula 1 Grand Prix victory with Ferrari, while George Russell and defending champion Lando Norris made it the first all-British podium since 1968.
Around 200 protesters have torn down fencing surrounding a controversial luxury development in Albania, as demonstrations continue over another planned resort linked to Donald Trump's son-in-law, Jared Kushner.
President Donald Trump has said a "swift and lethal kinetic" US military strike has killed "the infamous leader" of Venezuela's Tren de Aragua street gang.