The immune system of vertebrates is a powerful weapon against external pathogens and cancerous cells. T cells play a crucial role in this context. They carry a special receptor called the T-cell receptor on their surface ...
Cell & Microbiology
Aug 18, 2022
0
27
Living together in groups entails constant interactions between individuals. Individuals need to permanently assess the behavior of others and to respond flexibly to it. Primates and other animals regulate and coordinate ...
Evolution
Aug 17, 2022
0
59
Astronomers have discovered thousands of exoplanets in recent years. Most have them have been discovered by the transit method, where an optical telescope measures the brightness of a star over time. If the star dips very ...
Astronomy
Aug 17, 2022
1
56
The immune system is under the constant challenge of specifically detecting dangerous microbes to remove them. Dr. Andrea Puhar and her team at The Laboratory for Molecular Infection Medicine Sweden (MIMS) at Umeå University, ...
Cell & Microbiology
Aug 11, 2022
0
35
When male and female fruit flies age, their brains become desexualized. Age-related changes take place in both sexes, but the male brain becomes feminized to a larger extent than the female brain becomes masculinized. This ...
Plants & Animals
Aug 9, 2022
0
114
A detailed 3D study of a massive electrical discharge that rose 50 miles into space above an Oklahoma thunderstorm has provided new information about an elusive atmospheric phenomenon known as gigantic jets. The Oklahoma ...
Earth Sciences
Aug 8, 2022
1
4429
We have recently witnessed the stunning images of distant galaxies revealed by the James Webb telescope, which were previously visible only as blurry spots. Washington University in St. Louis researchers have developed a ...
Cell & Microbiology
Aug 5, 2022
0
300
Among the extreme weather impacts resulting from climate change, drought is a growing problem around the globe, leading to frequent wildfires, threats to water resources, and greater food insecurity.
Earth Sciences
Aug 5, 2022
0
175
To monitor heart rhythms and muscle function, doctors often attach electrodes to a patient's skin, detecting the electrical signals that lie beneath. These impulses are vital to the early diagnosis and treatment of many disorders, ...
Bio & Medicine
Aug 4, 2022
0
74
Engineers at Caltech have developed a switch—one of the most fundamental components of computing—using optical, rather than electronic, components. The development could aid efforts to achieve ultrafast all-optical signal ...
Optics & Photonics
Aug 1, 2022
0
1464
