Headlines

A new role for DNA loops in repairing genetic damage

When DNA breaks, cells must repair it accurately to prevent harmful mutations. Researchers have discovered that during a key repair process called homologous recombination, the cell uses loops in its DNA structure to speed up the search for an intact copy of the damaged region.

Nanotyrannus was not a juvenile T. rex, new study confirms

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a separate species or simply a juvenile Tyrannosaurus rex? A new paper published in Science has definitively shown that Nanotyrannus is, in fact, nearly

'Uncommitted' cofounder launches state Senate bid in Michigan

A cofounder of the “Uncommitted” movement, which pressed Democratic voters to cast a protest vote against former President Biden in the 2024 primary over the administration’s handling of the Israel-Hamas war, launched a campaign on Thursday for a state Senate seat in Michigan.

What should happen next under the Gaza peace plan?

Negotiations on the next stage of the Gaza ceasefire continue without significant progress at a moment when the truce appears particularly fragile. The United States, alongside Qatar and Egypt, secured a truce in Gaza that came into effect on October 10 and has mostly halted

How sound moves on Mars

Acoustic signals have been important markers during NASA's Mars missions. Measurements of sound can provide information both about Mars itself—such as turbulence in its atmosphere, changes in its temperature, and its surface conditions—and about the movement of the Mars rovers.

Kimchi may boost immune function, recent study shows

Kimchi has been enjoyed for centuries in Korea. But the spicy fermented cabbage dish has recently gained popularity in other parts of the world not only because of its delicious taste, but because of its potential to positively influence the many thousands of important microbes