Israeli airstrikes on southern Lebanon today killed more than 356 people and injured at least 1,200 others, marking a major escalation in fighting between Israel and Hezbollah. Also, two new studies this week add to existing research that has found microplastics in nearly every organ in the human body. And, Sri Lanka’s new leader, Anura Kumara Dissanayake, won the presidential election on a Marxist platform, riding a wave of anger against the former president's handling of the island nation's economy. Plus, Kenya’s government is taking steps to curb injuries and deaths from snakebites.

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