Xenophagocytosis is a natural immune process that limits interspecies organ generation by eliminating living donor cells, researchers at the Institute of Science Tokyo, Japan, report. By uncovering how embryonic macrophages ...
Cell & Microbiology
Aug 1, 2026
0
194
UC Berkeley researchers have identified regions of DNA that humans inherited from two unknown ancestors as a result of long-ago interbreeding among modern humans and at least four other archaic human relatives.
Evolution
Jul 30, 2026
0
734
Analyzing ancient DNA from more than 500 mammoth bones, an international team of researchers found that Ice Age humans selectively targeted female woolly mammoths. The results of the study, published in Current Biology, show ...
Paleontology & Fossils
Jul 30, 2026
0
90
In many animal tissues, stem cells continually divide to create new cells that replace old or damaged ones. However, this capacity requires strict regulation, as uncontrolled stem cell proliferation can disrupt tissue homeostasis ...
Cell & Microbiology
Jul 29, 2026
0
9
What happens after death? An international study led by the University of Granada (UGR), involving Ana Mateos and Jesús Rodríguez, researchers at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), argues ...
Evolution
Jul 29, 2026
0
12
Evolution is a fact of life. So much so that even the theory of evolution is evolving. Lately, a centuries-old discredited idea has been making a strong comeback. It helps us explain scientific observations that, according ...
Evolution
Jul 28, 2026
0
208
Archaic human parents had to look after helpless infants like modern-day parents do, according to new research. Human babies are born less developed than those of other great apes and are therefore unable to move as freely. ...
Evolution
Jul 28, 2026
0
100
Apoptosis is the natural process by which damaged or no longer needed cells are eliminated from the body. Researchers have long investigated how this mechanism might be manipulated to treat cancer and other serious diseases.
Cell & Microbiology
Jul 28, 2026
0
5
Every human cell has millions of ribosomes that make proteins. For decades, biologists thought of ribosomes as tiny, uniform machines. But now a Stanford Medicine team is showing that ribosomes are much more interesting and ...
Biotechnology
Jul 28, 2026
0
12
For more than a century, scientists have sought to reconstruct human evolution using diverse lines of evidence, including fossils, genetic variation across populations and ancient DNA. Building on these approaches, researchers ...
Evolution
Jul 24, 2026
0
107
