ANCIENT ROPES. This mat of small cellulose fibrils, each between 5 and 16 nanometers across, was extracted from 253-million-year-old salt deposits in New Mexico and includes the oldest intact biological macromolecules yet isolated and analyzed.
Credit: Griffith, et al.
Found in: Paleontology
Eruption early in human prehistory may have been more whimper than bang
Greed may breed financial fitness, but evolution allows unselfishness to survive
Fine-tuning of technique used in other animals could enable personalized medicine
Simulation suggests long-term effect on sea level not as dire as some predictions
Coverage of the 2013 American Association for the Advancement of Science meeting
The Year in Science 2012
Three-part series on the scientific struggle to explain the conscious self
Tables of contents, columns and FAQs on SN Prime for iPad
Please alert Science News to any inappropriate posts by clicking the REPORT SPAM link within the post. Comments will be reviewed before posting.
You must register with Science News to add a comment. To log-in click here. To register as a new user, follow this link.