News at a glance: A particle’s weighty measurement, Marburg in Africa, and a fossil called “the blob”
Ancient people lived among ruins too. What did they make of them?
Horse nations: Animal began transforming Native American life startlingly early
China is cracking down on its wildlife trade. Is it enough?
DNA shows ‘Persian Princes’ helped found medieval African trading culture
Fast-growing open-access journals stripped of coveted impact factors
Earliest galaxies challenge ideas about star birth in infant universe
Slave trade records help reveal when first yellow fever mosquitoes bit humans