“So new were the X-rays, said Dr. Soderberg, that she and her collaborators did not know they were…”

“So new were the X-rays, said Dr. Soderberg, that she and her collaborators did not know they were looking at an incipient supernova until a day or two later and ground-based telescopes had seen it grow in visible light.”

Scientists See Supernova in Action – New York Times

“So new were the X-rays, said Dr. Soderberg, that she and her collaborators did not know they were looking at an incipient supernova until a day or two later and ground-based telescopes had seen it grow in visible light.”

Scientists See Supernova in Action – New York Times

“Placental mammals that gestate their young internally, as do we and most of the pelts we know,…”

“Placental mammals that gestate their young internally, as do we and most of the pelts we know, account for 95 percent of the world’s 5,600 species of mammals, and marsupials like the kangaroo, koala and our very own opossum, whose young are born at a grublike stage and do most of their developing externally, often in a pouch, constitute nearly all the rest.”

Actually I think humans are born in a grublike state too. A Gene Map for the Cute Side of the Family – New York Times

“Placental mammals that gestate their young internally, as do we and most of the pelts we know, account for 95 percent of the world’s 5,600 species of mammals, and marsupials like the kangaroo, koala and our very own opossum, whose young are born at a grublike stage and do most of their developing externally, often in a pouch, constitute nearly all the rest.”

Actually I think humans are born in a grublike state too. A Gene Map for the Cute Side of the Family – New York Times