Mosquitos began biting humans more than a million years ago | An analysis of 38 modern mosquitoes’ DNA suggests an ancestral mosquito species developed a preference for feeding on early humans between 2.9 and 1.6 million years ago,

· · 来源：tutorial资讯

那个时候的三星语音助手，不仅做到了字面意义上的简体中文语音助手第一，更是在软硬件联动方面超过了当年的 Google Assistant。

Read the full story at The Verge.

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Credit: Snakehive

Walmart launched its Spark Driver service in 2018, as it pushed to make its online ordering and delivering services more competitive.

NASA astro