David Masci

Senior Writer/Editor, Pew Research Center

Últimos Artículos

Cuarta Revolución Industrial

Twenty years since Dolly the sheep, Americans are still skeptical about cloning

Twenty years ago today, the world’s first clone made from the cells of an adult mammal made her public debut. Dolly, a Finn Dorset sheep, was introduced to the public in 1997 after scient...

27 feb 2017

Crecimiento Económico

Across the world, 1 in 5 adults have no formal schooling

In many parts of the world, particularly in poorer countries, attainment of even the most basic education is still far from universal. Indeed, roughly one-in-five adults (19%) around the ...

31 ene 2017