Search results for stem cell

Space Exploration Jun 16, 2026

NASA's SpaceX CRS-34 Dragon returns packed with space station science

Scientists await a big splash in the Pacific Ocean as one of the most research-packed Dragon spacecraft to date returns, completing the 34th SpaceX commercial resupply mission to the International Space Station for NASA. ...

Cell & Microbiology Jun 13, 2026

New atlas reveals more about how the body's 'master gland' really works

A new study has created a detailed map of the pituitary gland, often called the body's "master gland" because it controls important functions such as growth, stress and reproduction. Researchers from the Center for Craniofacial ...

Cell & Microbiology Jun 12, 2026

Can ancient bacteria help solve one of agriculture's biggest challenges?

During the Archean Eon—roughly 4 billion years ago—the Earth was a lifeless planet. The atmosphere lacked oxygen, and there were few, if any, organisms to be found anywhere on the globe. Then something incredible happened. ...

Molecular & Computational biology Jun 8, 2026

How plants survive constant DNA damage: Newly identified repair protein protects growth-critical stem cells

Similar to the way DNA damage can contribute to human diseases such as cancer, it can also disrupt growth, development and survival in plants. Every day, plants endure environmental stresses such as sunlight, radiation, drought ...

Cell & Microbiology Jun 8, 2026

Frozen rat chromosome springs back to life inside a mouse embryo

Scientists in Japan have developed a rat-mouse hybrid embryo from a single frozen rat chromosome transplanted into a mouse egg cell. The achievement is proof that genetic material can sometimes remain functional after cryopreservation ...

Cell & Microbiology Jun 8, 2026

Why does the Y chromosome retain UTY?

A study, published in the journal Development, is the first to precisely map endogenous UTY occupancy across the human genome and demonstrate that UTY remains functionally involved in transcriptional regulation during early ...

Evolution Jun 5, 2026

Hagfish fossils reveal stepwise eye simplification before near-total vision loss

Many animals, including humans, rely on their eyes to detect changes in their surroundings. The eyes of vertebrates, animals with a backbone or a similar supporting structure, contain a transparent structure (i.e., the lens) ...

Cell & Microbiology Jun 4, 2026

Q&A: Why do telomeres shorten when a cell divides, and how does it affect human aging?

In each cell of your body, DNA is stored in structures called chromosomes. When cells divide, these chromosomes are copied, but over time, the copying process degrades. After many cycles of making copies, the ends of the ...

Plants & Animals Jun 3, 2026

Nitric oxide overload jams plant immune signals, researchers find

A new study from the University of Kentucky Martin-Gatton College of Agriculture, Food and Environment (CAFE) helps explain how plants can lose track of their own disease warnings.

Biochemistry Jun 2, 2026

Biomaterial made from jackfruit latex is a promising treatment for periodontitis

Researchers from the Faculty of Medical and Health Sciences (FCMS) at the Pontifical Catholic University of São Paulo (PUC-SP) in Sorocaba, in the interior of the state of São Paulo, Brazil, have developed a biomaterial containing ...

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