Bill Gates' investment firm has invested approximately $80m (£61m) to buy nearly 25,000 acres of undeveloped land in Arizona.
Microsoft founder has revealed his switch to Android.
Memphis Meats can grow real beef, chicken and duck from animal cells in a laboratory.
Despite the donation, the Microsoft co-founder remains the richest person in the world.
Bezos is now estimated to be worth an eye-watering $90bn
"You continue to inspire me, @Malala," Microsoft co-founder and philanthropist Bill Gates tweeted.
'Looking back on when I left college, there are some things I wish I had known,' Bill Gates wrote.
From Bill Gates to Swedish King Carl XVI Gustaf, all have had their "pie in the face" moments.
Billionaire philanthropist asks if Brexit means 'stepping away from the entire world'.
Gates praised the UK government's pledge to double its support in fighting NTDs.
Funding will help eliminate Guinea worm disease and elephantiasis.
John Isner and a celebrity partner will provide opposition for duo at April's Match for Africa 4 event.
A brief biography and the financial history of Amazon founder and billionaire Jeff Bezos.
Bill and Melinda Gates to double Comic Relief donations given to help eradicate malaria.
Forbes' latest rich list puts former NY mayor Michael Bloomberg in the top ten richest people in the world.
Forbes rich list was able to find more that 2,000 billionaires for the first time in the 31-year history of the rankings.
In an exclusive interview with IBTimes UK, the boss of automation giant says humankind is accelerating towards 'co-bots' not just robots.
The 61-year-old offered his thoughts on everything from artificial intelligence to his favourite sandwich.
The billionaire magnate said advances in genetic engineering could be a global threat.
The tech titan says people should be enthusiastic about innovation and not fear it.
Oxfam says despite all the donations, by his 86th birthday, Gates could well be a trillionaire.
Zuckerberg and Gates got rich by creating something people want – we can't confiscate successful businesses.