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Medical Xpress / Cancer cells have backup metabolic pathway to keep building DNA when blocked, study finds

Northwestern Medicine scientists have uncovered a surprising link between a tiny cellular engine and the way cancer cells build the DNA they need to proliferate, according to a new study published in Molecular Cell.

23 hours ago in Oncology & Cancer
Phys.org / Cellular crowding in fruit fly embryos triggers a critical DNA reorganization, biologists find

After fertilization, embryos race through rapid cell divisions before slowing down to build specialized cells that will carry out distinct functions in the developing body—but the signals that trigger this shift have remained ...

23 hours ago in Biology
Medical Xpress / RNA editing study finds many ways for neurons to diversify

All starting from the same DNA, neurons ultimately take on individual characteristics in the brain and body. Differences in which genes they transcribe into RNA help determine which type of neuron they become, and from there, ...

23 hours ago in Genetics
Phys.org / Nine new-to-Vermont bee species discovered

A new count of Vermont's bee species has identified nine species not previously reported in the Green Mountain State, bringing the total number of species in Vermont to 352, more than any northern New England state.

6 hours ago in Biology
Tech Xplore / World's biggest nuclear plant edges closer to restart

Japanese local authorities approved the restart of the world's biggest nuclear plant on Friday for the first time since the 2011 Fukushima disaster.

3 hours ago in Energy & Green Tech
Medical Xpress / WHO declares end of Indonesia's poliovirus outbreak following yearslong vaccination campaign

The World Health Organization has declared Indonesia's polio outbreak officially over, following nearly three years of intensive response efforts, officials said Friday.

4 hours ago in Vaccination
Phys.org / Elites wield huge influence over deepening polarization—now we can tell exactly how much

Political systems become polarized when internal unity within groups strengthens and the divide between them deepens. As polarization intensifies, societal tensions can grow, making it difficult to find compromises. The intensity ...

17 hours ago in Other Sciences
Phys.org / With two launches in the books, Blue Origin announces even more powerful New Glenn is coming

Blue Origin's New Glenn rocket is powerful, but Jeff Bezos' rocket company wants more.

9 hours ago in Astronomy & Space
Phys.org / Ancient retrovirus structure reveals link to modern respiratory viruses

Retroviruses are viruses that have evolved the ability to write their genetic code into a cell's own DNA. The most ancient known lineage of retroviruses, foamy viruses, emerged around 450 million years ago, before animal ...

18 hours ago in Biology
Phys.org / Can theater performance skills help teachers in the classroom?

Most people can recall a favorite class or teacher who left an indelible mark on their lives. While subject matter plays a role, the deeper connection often stems from how that teacher made students feel.

18 hours ago in Other Sciences
Phys.org / How children learn to be good

Richard Weissbourd and Kiran Bhai are part of the leadership team at Making Caring Common, a Harvard Ed School initiative focused on making moral and social development a priority in child-raising. In this article, they answer ...

18 hours ago in Other Sciences
Phys.org / New collection of bacteria-eating viruses to tackle hospital superbug

Potential treatments for one of the world's most dangerous hospital superbugs have been found in a surprising location—hospital toilets.

19 hours ago in Biology