Neural stem cells represent the cellular backup of our brain. These cells are capable of self-renewal to form new stem cells or differentiate into neurons, astrocytes or oligodendrocytes. Astrocytes have supportive functions ...
Biochemistry
Jun 30, 2009
1
0
Using ion-selective micro-electrodes electrical signals in plants moving from leaf to leaf could be measured. The speed of the signals spreading as voltage changes over cell membranes ranged from 5 to 10 cm per minute. The ...
Biochemistry
Mar 9, 2009
1
0
An international team of researchers looking for signs of intelligent life in space have used artificial intelligence (AI) to reveal eight promising radio signals in data collected at a U.S. observatory.
Astronomy
Feb 1, 2023
0
99
The Robert C. Byrd Green Bank Telescope (GBT), part of the Green Bank Observatory in West Virginia, is the world's premiere single-dish radio telescope. Between its 100-meter dish (328-foot), unblocked aperture, and excellent ...
Astrobiology
Dec 22, 2022
0
78
If an alien were to look at Earth, many human technologies—from cell towers to fluorescent light bulbs—could be a beacon signifying the presence of life.
Astronomy
Oct 21, 2022
2
38
Data traffic is rapidly growing and can soon overload the current internet infrastructure. The key to solve this overload problem is to improve the data transmission over optical fibers. Vinicius Oliari defended his Ph.D. ...
Optics & Photonics
Jan 24, 2022
0
39
Researchers of Eindhoven University of Technology and fiber broadband equipment supplier Genexis have developed data transmission techniques that can double or even triple the data transmission capacity of existing fiber ...
Telecom
Apr 20, 2018
0
7
Scientists from MIPT, in collaboration with international colleagues, have proposed a universal mechanism for the sense of smell in bacteria. The researchers obtained the structure of the NarQ protein from Escherichia coli ...
Cell & Microbiology
May 22, 2017
0
33
Two-way communication requires, of course, both send and receive capabilities. But putting them in the same device requires a filter between the send and receive circuits to provide signal isolation.
Engineering
Mar 9, 2017
1
70
The Allen Telescope Array uses 42 radio dishes to search for radio transmissions from ET. How do we know the system is working? To answer that we point the dishes in the direction of a spacecraft we know is transmitting radio ...
Space Exploration
Sep 13, 2016
0
21
