AI triumphs against the world’s top pro team in strategy game Dota 2

Pro gamers, look out — for the first time ever, a world champion e-sports team has lost to an AI team.

In a series of live competitions between the reigning Dota 2 world champion team OG and the five-bot team OpenAI Five, the AI won two matches back-to-back, settling the best-of-three tournament. With 45,000 years of practice at Dota 2 under its belt, the system looked unstoppable — deftly navigating strategic decisions and racing to press its advantages with uncannily good judgment.

It’s a milestone that the top AI labs in the world have been frantically pushing toward in the …

Trump leaves door open for third North Korea summit

President Donald Trump signaled he’s open to another summit with North Korea in a pair of tweets Saturday. The president’s message followed a speech by Kim Jong Un last week in which the leader presented the US with a deadline for moving negotiations between the two countries forward.

According to North Korean state media, Kim took a tough approach, saying, “It is essential for the US to quit its current calculation method and approach us with a new one.”

The North Korean leader said he plans to give the Trump administration “till the end of this year” to come …

Vox Sentences: Black churches are burning

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In Louisiana, three churches burned in 10 days, and police have finally arrested a suspect; Nigerian women fight back against sexual harassment.

Suspect arrested in black church fires

Gerald Herbert/Associated Press
  • Three historically black churches were set on fire in the span of 10 days, and Louisiana police have finally arrested a suspect: Holden Matthews, 21, who happens to be the son of