Scientists urge Pluto be reinstated as planet
The current definition of a “planet” is rooted in folklore and astrology, and must be dropped due to not meeting the needs of modern astronomy, a new study states, opening the doors for the Pluto comeback.
What does the first successful test of a pig-to-human kidney transplant mean?
The milestone is a step toward solving shortages of the organ but hurdles remain. Surgeons in New York City successfully attached a pig kidney to a human patient and watched the pinkish organ function normally for 54 hours. While such procedures have been done in nonhuman primates, this is the first time that a pig kidney has been transplanted to a human body and not been immediately rejected.