Hacker News with Generative AI: DNA

DNA scaffolds enable self-assembling 3D electronic devices (techxplore.com)
Researchers at Columbia Engineering have for the first time used DNA to help create 3D electronically operational devices with nanometer-size features.

Nanotechnology, Electronics, Self-Assembly, DNA

13 points by Brajeshwar 3 days ago | 1 comments

DNA evidence says first Americans came from Asia (factsanddetails.com)
Natives Americans are believed to have descended from Asian people who arrived in North America via the Bering Strait. The DNA of ancient American bog people is closer to the Japanese than Americans.

DNA, Genetics, History, Native Americans, Asia

80 points by axiologist 13 days ago | 92 comments

Extracting DNA from the air – DNA evidence of human occupancy in indoor premises (nature.com)
Humans constantly shed deoxyribonucleic acid (DNA) into the surrounding environment. This DNA may either remain suspended in the air or it settles onto surfaces as indoor dust. In this study, we explored the potential use of human DNA recovered from air and dust to investigate crimes where there are no visible traces available—for example, from a recently vacated drugs factory where multiple workers had been present.

Forensic Science, DNA, Environmental Science

248 points by punnerud 18 days ago | 93 comments

Woman's DNA discovered in 20k year old deer-tooth pendant (2023) (cbc.ca)
Scientists have discovered a woman's DNA preserved in a 20,000 year old deer-tooth pendant.

Archeology, Genetics, Ancient History, DNA, Prehistoric Artifacts

174 points by pseudolus 27 days ago | 78 comments

What Rosalind Franklin contributed to the discovery of DNA's structure (nature.com)
Chemist Rosalind Franklin independently grasped how DNA’s structure could specify proteins.

Science, Biology, DNA, History, Chemistry

4 points by jyscao 29 days ago | 0 comments

To identify suspect in Idaho killings, FBI used restricted consumer DNA data (nytimes.com)
New records show that the F.B.I. identified Bryan Kohberger as a potential murder suspect after tapping consumer databases that were supposed to be off limits.

Crime, Law Enforcement, Privacy, DNA

27 points by tusslewake 36 days ago | 1 comments

An infinite DNA glitch saved millions [video] (youtube.com)

DNA, Genetics, Science, Technology, Video

49 points by f1shy 97 days ago | 21 comments

Molecular machines that loop chromosomes also twist DNA (phys.org)
Scientists from the Kavli Institute of Delft University of Technology and the IMP Vienna Biocenter have discovered a new property of the molecular motors that shape our chromosomes.

Genetics, Molecular Biology, DNA, Chromosomes, Scientific Research

53 points by wglb 110 days ago | 10 comments

Engineering tunable catch bonds with DNA (nature.com)
Unlike most adhesive bonds, biological catch bonds strengthen with increased tension.

Biotechnology, Science, DNA, Engineering, Materials Science

15 points by PaulHoule 112 days ago | 1 comments

Kenya's "man-eater" lions of the 19th century confirmed using DNA (cosmosmagazine.com)
DNA extracted from between the teeth of 2 Kenyan lion specimens from the 1890s shows that the animals ate humans, as well as giraffes and wildebeests.

Kenya, Lions, DNA, History, Wildlife

9 points by geox 173 days ago | 0 comments

DNA Profile Is Private? A Florida Judge Just Said Otherwise – NYT (2019) (nytimes.com)
Privacy experts say a warrant granted in Florida could set a precedent, opening up all consumer DNA sites to law enforcement agencies across the country.

Privacy, Law, DNA, Genetics, Law Enforcement

4 points by janandonly 181 days ago | 0 comments

Identification of officer from Sir John franklin's Northwest Passage expedition (sciencedirect.com)
Remains of Franklin expedition sailor discovered in 1993 identified via DNA.

History, DNA, Arctic Exploration

21 points by Hooke 182 days ago | 7 comments

Using Lego bricks to model DNA replication (2015) (scienceandmathwithmrslau.com)

DNA, Science, Education, Biology

19 points by varlock 237 days ago | 1 comments

All the Data on Earth Can Fit in a Cup of DNA in MIT's Jurassic Park Project (xatakaon.com)

Data Storage, DNA, MIT, Genetics, Science

20 points by poopcat 287 days ago | 14 comments

DNA as a Perfect Quantum Computer (nature.com)

Quantum Computing, DNA, Science

10 points by artomweb 315 days ago | 4 comments

Viral DNA in the human genome linked to major psychiatric disorders (medicalxpress.com)

Genetics, Mental Health, Science, DNA

119 points by geox 316 days ago | 129 comments

All of the bases in DNA and RNA have now been found in meteorites (sciinsider.com)