Scientists discover a new way of sharing genetic information in a common ocean microbe

Prochlorococcus, the world’s most abundant photosynthetic organism, reveals a gene-transfer mechanism that may be key to its abundance and diversity.

David L. Chandler | MIT News Office • mit
Jan. 5, 2023 ~8 min

Scientists Study Oldest-known DNA

VOA Learning English • voa
Dec. 10, 2022 ~5 min


Aging worms show DNA repair decline limits fertility

A new study with worms suggests one reason reproduction slows with age: a decline in the ability to repair broken DNA strands.

U. Oregon • futurity
Dec. 6, 2022 ~5 min

Ancient DNA from the teeth of 14th-century Ashkenazi Jews in Germany already included genetic variations common in modern Jews

A German town needed to relocate a medieval graveyard to build a parking garage. A positive side effect: scientists got to sequence the DNA of Ashkenazi Jews who lived more than 600 years ago.

David Reich, Professor of Genetics and of Human Evolutionary Biology, Harvard University • conversation
Nov. 30, 2022 ~13 min

New CRISPR-based tool inserts large DNA sequences at desired sites in cells

Known as PASTE, the technique holds potential for treating a variety of diseases caused by faulty genes.

Anne Trafton | MIT News Office • mit
Nov. 24, 2022 ~8 min

Scientists unveil the functional landscape of essential genes

Researchers harness new pooled, image-based screening method to probe the functions of over 5,000 essential genes in human cells.

Nicole Davis | Whitehead Institute • mit
Nov. 21, 2022 ~6 min

PTSD may speed up cellular aging

New research with veterans finds a connection between DNA methylation signals of accelerated cellular aging and PTSD.

Jessica Colarossi-Boston University • futurity
Nov. 15, 2022 ~7 min

A blood test that screens for multiple cancers at once promises to boost early detection

Multicancer early detection tests are among the priorities of the Biden administration’s Cancer Moonshot. The tests show promise, but questions remain about when and how to use them.

Colin Pritchard, Professor of Laboratory Medicine and Pathology, University of Washington • conversation
Oct. 31, 2022 ~8 min


By fact-checking Thoreau's observations at Walden Pond, we showed how old diaries and specimens can inform modern research

Journals, museum collections and other historical sources can provide valuable data for modern ecological studies. But just because a source is old doesn’t make it useful.

Richard B. Primack, Professor of Biology, Boston University • conversation
Oct. 26, 2022 ~10 min

An interdisciplinary journey through living machines

With NEET, Sherry Nyeo is discovering MIT’s undergraduate research community at the intersection of computer science and biological engineering.

Jiyoo Jye | New Engineering Education Transformation (NEET) program • mit
Oct. 18, 2022 ~5 min

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