Carter ran 53.07 seconds from the outside lane to claim a shock victory, Olympic champion Muhammad taking silver with 53.50sec.
World number two Spieth, seeking a career Grand Slam at age 24 after winning the British Open last month.
The 31-year-old Dutchman was seven-over for his opening round at the year's final major after starting on the 10th tee alongside Americans.
Tobias Kormind, co-founder of 77Diamonds, speaks to Business Insider about his business model, millennials and why Brexit hasn't been all bad.
Zita Okai Koi got married two weeks ago.
The "Azonto Ghost" star actor made two separate donations to ailing Kumawood actor King Aboagye Brenya and musician Prophet Seth Frimpong Thursday, August 10.
The incident occurred after the nurse reported late to work during her night shift on July 19, 2017.
Van Niekerk, at just two-hundredths of a second, added silver to the 400m gold medal he won on Tuesday.
Google has been at the centre of a firestorm of controversy this week after firing an employee for writing a memo suggesting the gender gap is due to biology.
He discovered points while he was sitting in a science class.
The former San Francisco 49ers quarterback convulsed America's most popular sport last year with his decision.
The researchers say there are plans to develop further prototypes with a low-power screen for texting and even a basic camera.
The manifesto was cleverly worded. It repeatedly states that Damore is in favor of diversity, but merely has a different view on how to achieve it.
You might want to think twice about which airport you fly from — and which airline you fly with — this summer.
This is what traders are talking about.
The 31-year-old Nadal would have returned to No. 1 in the world if he reached the semi-finals.
Anadarko is developing Mozambique's first onshore LNG plant
Guliyev's win may not have been following the script the organisers wished for after two-time doping cheat Justin Gatlin's win.
The 26-year-old won bronze for France in the long jump at last month's world para athletics championships in London Stadium.
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