Tag Archives: research

China | Jiaolong plumbs deepest region of the ocean

The Jiaolong, China’s manned submersible, dived in the Mariana Trench on Tuesday, making the first of a series dives for the third stage of the country’s 38th oceanic expedition.

The craft reached a depth of 4.8 kilometers at 9:49 am and remained submerged for about nine hours in all, said Tang Jialing, the pilot of the Jiaolong.

Facebook Users Make Their Own News Bubbles

Facebook users who are the most news-obsessed are also the most likely to interact with a small number of news sources, new research finds.

The study is a look at the architecture of social media polarization — essentially, how people are so effective at sorting themselves into opposing groups and filtering out alternative opinions. Though Facebook has algorithms that feed users content they’re likely to enjoy, previous research has found that people’s own choices on the social network are a stronger influence on the sorts of opinions those individuals see. (Politics conversations on Twitter aren’t much different.)

New Study Finds That Most Cancer Mutations are Due to Random DNA Copying ‘Mistakes’

Johns Hopkins Kimmel Cancer Center scientists report data from a new study providing evidence that random, unpredictable DNA copying “mistakes” account for nearly two-thirds of the mutations that cause cancer. Their research is grounded on a novel mathematical model based on DNA sequencing and epidemiologic data from around the world.