December 8, 2016 9:00 am
The goal is to create pig islets that the human immune system won’t recognize as foreign, so they can be transplanted into people.
November 28, 2016 6:00 am
Immune cells from low-ranking monkeys were less effective at fighting the infection.
October 20, 2016 8:00 am
In a tour de force of reproductive biology, scientists in Japan have transformed mouse skin cells into eggs in a dish, and used those eggs to birth fertile pups. The report marks the first creation of eggs entirely outside a mouse. If the process could be made to work for humans, researchers could produce artificial eggs without needing to implant immature cells into ovaries to complete their development.
March 17, 2016 9:00 am
It’s said that dinosaurs went extinct 65 million years ago, but we technically still have dinosaurs running around Earth today (or at least their descendants). Modern-day birds evolved from certain species of dinosaurs, and now scientists have used birds to bring a little piece of the dinosaurs back. In a study published in Evolution, researchers announced that they had successfully grown “dinosaur legs” in chicken embryos.
February 25, 2016 10:10 am
Dodos, best known for being dead and, well, dumb, may not have been total doofuses. A study published Tuesday in Zoological Journal of the Linnean Society suggests that the birds had brains of about the same relative size as a modern pigeon’s.
May 21, 2015 12:28 pm
Other major poultry producers, including market leader Tyson Foods Inc, have announced plans to eradicate antibiotics, which are also crucial in human healthcare, from their flocks but have not ruled out their use on sick birds.
May 20, 2015 3:29 pm
The U.S Food and Drug Administration said it is asking drugmakers for data on antimicrobials sold for use in each food animal, such as cows and chickens, as part of efforts to combat antibiotic-resistant bacteria.
April 28, 2015 2:09 pm
Tyson Foods Inc, the largest U.S. poultry producer, plans to eliminate the use of human antibiotics in its chicken flocks by September 2017 – one of the most aggressive timelines yet set by an American poultry company.
April 27, 2015 2:00 pm
The most complete genetic information assembled on woolly mammoths is providing insight into their demise, revealing they suffered two population crashes before a final, severely inbred group succumbed on an Arctic Ocean island.
April 10, 2015 1:34 pm
Sales of medically important antibiotics in the United States for use in livestock jumped by 20 percent between 2009 and 2013, federal regulators reported on Friday, data that is sure to feed the national debate about the growth of drug-resistant bacteria.