Before modern humans settled definitively in Europe, other human populations left Africa for Europe beginning approximately 60,000 years ago, albeit without settling for the long term. This was due to a major climatic crisis ...
Archaeology
Oct 23, 2023
0
18
Exercise. Social connections. Sunscreen. It seems there is no shortage of advice on how to stay young, but among scientists, the exact physiology behind aging remains unknown. Tufts Now asked biology professor Mitch McVey ...
Cell & Microbiology
Oct 16, 2023
0
11
Modern humans migrated to Eurasia 75,000 years ago, where they encountered and interbred with Neanderthals. A new study published in the journal Current Biology shows that at this time Neanderthals were already carrying human ...
Evolution
Oct 16, 2023
3
7499
The human genome, from end to end, has been sequenced, meaning scientists worldwide have identified most of the nearly 20,000 protein-coding genes. However, an international group of scientists notes there's more work to ...
Molecular & Computational biology
Oct 13, 2023
0
103
Over the past decade, CRISPR-Cas9 gene editing has revolutionized science. It has been lauded as a breakthrough in biogenetics and medicine, with the potential to treat or eliminate many chronic or genetic diseases.
Biotechnology
Oct 12, 2023
0
26
For decades, scientists have known that, despite its name, "junk DNA" in fact plays a critical role: While the coding genes provide blueprints for building proteins, which direct most of the body's functions, some of the ...
Biotechnology
Sep 27, 2023
0
240
In 2001 the sequencing of the human genome revealed a surprising fact: over 45% of our genome comes from sequences called transposons, "jumping" genes that can move within the genome, generating new copies of themselves through ...
Cell & Microbiology
Sep 25, 2023
0
44
Neanderthals live on within us.
Archaeology
Sep 25, 2023
1
3911
As the days get shorter and chillier in the northern hemisphere, those who choose to work out in the mornings might find it harder to get up and running. A study in PNAS identifies a protein that, when missing, makes exercising ...
Cell & Microbiology
Sep 18, 2023
0
95
The gene editing technique CRISPR/Cas9 has allowed researchers to make precise and impactful changes to an organism's DNA to fix mutations that cause genetic disease. However, the CRISPR/Cas9 method can also result in unintended ...
Biotechnology
Sep 15, 2023
0
58
