Here's where the intelligence of the immune system comes in, is that these cytotoxic T-cells that are generated only kill cells that have this signal on it.

免疫系统的聪明之处就在此,这些细胞毒T细胞,只能杀死具有特殊标记信号的细胞

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And while the watchlisting system is not broken, how the intelligence community feeds information into that system clearly needs to be strengthened.

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Defense companies may think that their customers are military services and intelligence agencies, but the real customer is a political system that can change its mind about priorities overnight.

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The technology uses a system dubbed smart serendipity, which is a combination of artificial intelligence and random selection.

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