Some members of the Bovidae family have additional horns. In fact, a few local breeds of sheep, which have been selected by many generations of breeders, are known for their multiple horns. Some goats may spontaneously develop ...
Plants & Animals
Feb 17, 2021
1
820
It is estimated that the majority of pregnancies that fail do so within the first seven days after fertilization, before the embryo implants into the uterus. In this time period, a complicated cascade of events occurs with ...
Cell & Microbiology
Jan 6, 2021
0
217
An interdisciplinary team of physicists and biologists from NUS has characterized the mechanism by which Wnt3, a key regulator in neural patterning and brain development, spreads to long distances in the developing zebrafish ...
Molecular & Computational biology
Dec 11, 2020
0
24
Research by Kai Jiao, M.D., Ph.D., and colleagues at the University of Alabama at Birmingham and in Germany has yielded fundamental insights into the causes of severe birth defects known as CHARGE syndrome cases. These congenital ...
Molecular & Computational biology
Dec 3, 2020
0
17
It sounds like a "Just So Story"—"How the Insect Got its Wings"—but it's really a mystery that has puzzled biologists for over a century. Intriguing and competing theories of insect wing evolution have emerged in recent ...
Plants & Animals
Dec 1, 2020
1
195
After double fertilization, zygotic activation occurs that initiates a new life cycle, followed by cell divisions, cell differentiation and organogenesis. During post-embryonic development, stem cells located in shoot apical ...
Biotechnology
Nov 23, 2020
0
11
There was a time when the idea of growing organs in the lab was the stuff of science fiction. Today, stem cell biology and tissue engineering are turning fiction into reality with the advent of organoids: tiny lab-grown tissues ...
Cell & Microbiology
Nov 10, 2020
1
179
Often associated with dirty living conditions and the spread of disease, cockroaches understandably have a bad reputation. But of the 4,600 cockroach species alive today, only a few are considered pests, with most choosing ...
Plants & Animals
Nov 6, 2020
0
80
A new USC-led study suggests a change to the developmental—and evolutionary—story of the pituitary gland.
Evolution
Oct 22, 2020
0
200
A biologist at RIKEN has discovered the way in which steroid signaling regulates the breakdown of sugar molecules in fruit flies so as to provide the energy larvae need to enter the pupal stage. This finding could have much ...
Cell & Microbiology
Sep 18, 2020
0
36
