(PhysOrg.com) -- Despite a 30-year lifespan that gives ample time for cells to grow cancerous, a small rodent species called a naked mole rat has never been found with tumors of any kind—and now biologists at the University ...
Biotechnology
Oct 26, 2009
13
0
Chattering squirrels, charming coypus, and tail-slapping beavers—along with some other rodents—have orange-brown front teeth. Researchers have published high-resolution images of rodent incisors in ACS Nano, providing ...
Nanomaterials
Apr 17, 2024
0
46
Mammals are a bit odd when it comes to bones. Rather than the bony plates and scales of crocodiles, turtles, lizards, dinosaurs and fish, mammals long ago traded in their ancestral suit of armor for a layer of insulating ...
Plants & Animals
May 24, 2023
0
133
The bone density of astronauts—of both the human and rodent variety—decreases in space. Researchers report on April 19 in the journal Cell Reports that changes to the gut microbiomes of space travelers might be associated ...
Cell & Microbiology
Apr 19, 2023
0
65
Scientists have long been puzzled how the bubonic plague bacteria, Yersinia pestis, can cause both stable, enzootic disease among rodents, as well as sudden, lethal epizootic outbreaks that decimate the same rodent populations.
Ecology
Dec 15, 2022
0
20
In mammals, the distinction between male and female at the chromosomal level is due to the X and Y chromosomes. Typically, females have two X chromosomes (XX) while males have an X and a Y chromosome (XY). The Sry gene on ...
Plants & Animals
Nov 28, 2022
0
81
Imagine you have 20 new compounds that have shown some effectiveness in treating a disease like tuberculosis (TB), which affects 10 million people worldwide and kills 1.5 million each year. For effective treatment, patients ...
Cell & Microbiology
Sep 14, 2022
0
128
New research from The Australian National University (ANU) has mapped the DNA from more than 150 species of native rodents from across Australia, New Guinea and Melanesian islands, painting a clearer picture of how they're ...
Evolution
Sep 2, 2022
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67
A new analysis of a beaver anklebone fossil found in Montana suggests the evolution of semi-aquatic beavers may have occurred at least 7 million years earlier than previously thought, and happened in North America rather ...
Paleontology & Fossils
Aug 24, 2022
0
107
A researcher at Case Western Reserve University has found that the extinct Josephoartigasia, believed to be the largest rodent to ever live, and other ancient rodents in South America were smaller than has been thought. In ...
