Tracking spacecraft as they traverse deep space isn't easy. So far, it's been done manually, with operators of NASA's Deep Space Network, one of the most capable communication arrays for contacting probes on interplanetary ...
Space Exploration
Oct 2, 2023
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10
Solar eclipses can have a noticeable impact on the structure and dynamics of Earth's upper atmosphere—the ionosphere. This is primarily due to the sudden reduction in solar radiation reaching the Earth's atmosphere during ...
Planetary Sciences
Sep 26, 2023
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0
Male fruit flies don't usually like each other. Socially, they reject their fellow males and zero in on the females they discern via chemical receptors—or so scientists thought.
Plants & Animals
Sep 5, 2023
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60
The avalanche multiplication effect can be used to detect low-power optical signals and even single photons due to the amplification mechanism within all main ranges: near- (NIR), short- (SWIR), mid- (MWIR) and long wavelength ...
Optics & Photonics
Sep 4, 2023
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1
Wnt signaling is a well-known mode of cell-to-cell communication in multicellular biological organisms. It involves the secretion of small Wnt glycoproteins, by signaling cells, that bind to receptor proteins in the membrane ...
Molecular & Computational biology
Aug 3, 2023
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66
What happens inside the carnivorous plant Venus Flytrap when it catches an insect? New technology has led to discoveries about the electrical signaling that causes the trap to snap shut. Bioelectronic technology enables advanced ...
Plants & Animals
Jul 26, 2023
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7
An optical isolator developed at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) could drastically improve optical systems for many practical applications.
Optics & Photonics
Jun 29, 2023
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166
Soybean cyst nematode (SCN, Heterodera glycines Ichinohe), is a devastating pathogen in soybean. The infective juveniles of nematodes can use phytochemical signals (semiochemicals) released into the rhizosphere as important ...
Molecular & Computational biology
Jun 8, 2023
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2
When stars like our sun die, they tend to go out with a whimper and not a bang—unless they happen to be part of a binary (two) star system that could give rise to a supernova explosion.
Astronomy
May 20, 2023
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150
Researchers at Sana Biotechnology, Inc., in California, have made a significant breakthrough in realizing the promise of stem cell therapy: stem cells that do not trigger an immune response from an immunologically incompatible ...
