Michael J. Abrams
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View article: Sleeping upside-down: Knockdown of a sleep-associated gene induces daytime sleep in the jellyfish <i>Cassiopea</i>
Sleeping upside-down: Knockdown of a sleep-associated gene induces daytime sleep in the jellyfish <i>Cassiopea</i> Open
The conservation of sleep among diverse animals provides clear evidence for its physiological importance, but the extent of its regulatory conservation is unknown. The upside-down jellyfish Cassiopea xamachana sleeps, and this behavior is …
View article: Below and Beyond
Below and Beyond Open
Entrepreneurs are looking for ways to drill deeper, cheaper, and more successfully than before by borrowing methods honed by the oil and gas industry. These startups are bringing enhanced geothermal power systems online that promise sustai…
View article: Response to comment on 'A conserved strategy for inducing appendage regeneration in moon jellyfish, Drosophila, and mice'
Response to comment on 'A conserved strategy for inducing appendage regeneration in moon jellyfish, Drosophila, and mice' Open
Previously we reported evidence that a regenerative response in the appendages of moon jellyfish, fruit flies, and mice can be promoted by nutrient modulation (Abrams et al., 2021). Sustar and Tuthill subsequently reported that they had no…
View article: Sleep is required for neural network plasticity in the jellyfish<i>Cassiopea</i>
Sleep is required for neural network plasticity in the jellyfish<i>Cassiopea</i> Open
Sleep in animals plays roles that appear specific to the brain, including synaptic homeostasis [1], neurotransmitter regulation [2], cellular repair [3], memory consolidation [4], and neural plasticity [5,6]. Would any of these functions o…
View article: The Hypersonic Missile Gap
The Hypersonic Missile Gap Open
Though hypersonic cruise missiles represent the most bleeding edge of weapons development and promise to be the most versatile, they face the biggest technological challenges. The U.S. military is funding various research efforts.
View article: Carboxy, carboalkoxy and carbamile substituted isonitrile radionuclide complexes
Carboxy, carboalkoxy and carbamile substituted isonitrile radionuclide complexes Open
A coordination complex comprising a radionuclide selected from the class consisting of radioactive isotopes of Tc, Ru, Co, Pt and Re and an isonitrile ligand of the formula: (CNX)R, where X is a lower alkyl group having 1 to 4 carbon atoms…
View article: Metal-isonitrile adducts for preparing radionuclide complexes for labelling and imaging agents
Metal-isonitrile adducts for preparing radionuclide complexes for labelling and imaging agents Open
A method for preparing a coordination complex of an isonitrile ligand and radionuclide such as Tc, Ru, Co, Pt, Fe, Os, Ir, W, Re, Cr, Mo, Mn, Ni, Rh, Pd, Nb and Ta is disclosed. The method comprises preparing a soluble metal adduct of said…
View article: Method for preparing radiopharmaceutical complexes
Method for preparing radiopharmaceutical complexes Open
A method for preparing radiopharmaceutical complexes that are substantially free of the reaction materials used to produce the radiopharmaceutical complex is disclosed. The method involves admixing in a suitable first solvent in a containe…
View article: Fly the Climate-Friendly Skies
Fly the Climate-Friendly Skies Open
Eliminating the climate impact of long-distance airline flights will require cutting fossil carbon from the aviation energy supply. Startups and established companies are scrambling to develop new energy technologies that would allow airli…
View article: Between Worlds
Between Worlds Open
Relatively few Native Americans become engineers. The barriers to increasing those numbers are issues such as poverty, poor schools, and a lack of role models. In this article, Native American engineers talk about their experiences and how…
View article: Author response: A conserved strategy for inducing appendage regeneration in moon jellyfish, Drosophila, and mice
Author response: A conserved strategy for inducing appendage regeneration in moon jellyfish, Drosophila, and mice Open
Article Figures and data Abstract Editor's evaluation eLife digest Introduction Results Discussion Materials and methods Data availability References Decision letter Author response Article and author information Metrics Abstract Can limb …
View article: 023 Sleep in a Brainless Animal - The Relationship Between Centralization and Sleep in the Upside-down Jellyfish
023 Sleep in a Brainless Animal - The Relationship Between Centralization and Sleep in the Upside-down Jellyfish Open
Introduction Though sleep is pervasive in animals, its fundamental roles, and the processes involved in generating the behavior, remain poorly understood. A key outstanding question in sleep regulation is whether sleep is controlled strict…
View article: Retracing the Footprints
Retracing the Footprints Open
NASA is engaged in a new program to send astronauts back to the lunar surface. Some elements of the new program, called Artemis, will seem like carbon copies of the 1960s roadmap to the Moon. Bu the effort will take advantage of computers,…
View article: A conserved strategy for inducing appendage regeneration
A conserved strategy for inducing appendage regeneration Open
Can limb regeneration be induced? Few have pursued this question, and an evolutionarily conserved strategy has yet to emerge. This study reports a strategy for inducing regenerative response in appendages, which works across three species …
View article: ASTER 20th Anniversary
ASTER 20th Anniversary Open
The Advanced Thermal Emission and Reflection Radiometer (ASTER) is a research facility instrument on NASA’s Terra spacecraft. We celebrated the 20th anniversary of ASTER’s launch in December 1999. ASTER has been providing high spatial reso…
View article: ASTER Global Digital Elevation Model (GDEM) and ASTER Global Water Body Dataset (ASTWBD)
ASTER Global Digital Elevation Model (GDEM) and ASTER Global Water Body Dataset (ASTWBD) Open
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is a 14-channel imaging instrument operating on NASA’s Terra satellite since 1999. ASTER’s visible–near infrared (VNIR) instrument, with three bands and a 15 m Inst…
View article: Everywhere at Once
Everywhere at Once Open
Some commuters discovered lightweight electric scooters were the perfect solution for commuting. For others, the things were an unasked-for nuisance, blocking sidewalks when parked and barreling down on pedestrians when in motion. To bette…
View article: Twenty Years of ASTER Contributions to Lithologic Mapping and Mineral Exploration
Twenty Years of ASTER Contributions to Lithologic Mapping and Mineral Exploration Open
The Advanced Spaceborne Thermal Emission and Reflection Radiometer is one of five instruments operating on the National Aeronautics and Space Administration (NASA) Terra platform. Launched in 1999, the Advanced Spaceborne Thermal Emission …
View article: 3D-printable tools for developmental biology: Improving embryo injection and screening techniques through 3D-printing technology
3D-printable tools for developmental biology: Improving embryo injection and screening techniques through 3D-printing technology Open
Developmental biology requires rapid embryo injections and screening. We applied new affordable high-resolution 3D-printing to create five easily modifiable stamp-mold tools that greatly increase injection and screening speed, while simult…
View article: Upside-Down but Headed in the Right Direction: Review of the Highly Versatile Cassiopea xamachana System
Upside-Down but Headed in the Right Direction: Review of the Highly Versatile Cassiopea xamachana System Open
The upside-down jellyfish Cassiopea xamachana (Scyphozoa: Rhizostomeae) has been predominantly studied to understand its interaction with the endosymbiotic dinoflagellate algae Symbiodinium. As an easily culturable and tractable cnidarian …
View article: Online Global Land Surface Temperature Estimation from Landsat
Online Global Land Surface Temperature Estimation from Landsat Open
This study explores the estimation of land surface temperature (LST) for the globe from Landsat 5, 7 and 8 thermal infrared sensors, using different surface emissivity sources. A single channel algorithm is used for consistency among the e…
View article: ASTER GLOBAL DEM VERSION 3, AND NEW ASTER WATER BODY DATASET
ASTER GLOBAL DEM VERSION 3, AND NEW ASTER WATER BODY DATASET Open
In 2016, the US/Japan ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) project released Version 3 of the Global DEM (GDEM). This 30 m DEM covers the earth’s surface from 82N to 82S, and improves on two earlier version…
View article: The <scp>ASTER</scp> Global Emissivity Dataset (<scp>ASTER GED</scp>): Mapping Earth's emissivity at 100 meter spatial scale
The <span>ASTER</span> Global Emissivity Dataset (<span>ASTER GED</span>): Mapping Earth's emissivity at 100 meter spatial scale Open
Thermal infrared (TIR) data, acquired by instruments on several NASA satellite platforms, are primarily used to estimate the surface temperature/emissivity of the Earth's land surface. One such instrument launched on NASA's Terra satellite…
View article: Self-repairing symmetry in jellyfish through mechanically driven reorganization
Self-repairing symmetry in jellyfish through mechanically driven reorganization Open
Significance Animals are endowed with the capacity to repair injuries. In this study, we found that, upon amputation, the moon jellyfish Aurelia aurita rearranges existing body parts and recovers radial symmetry within a few days. This uni…