8legs: Johns hopkins university

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6h ago

Astronomers use Webb to map WASP-94A b’s atmosphere, detecting a morning cloud cycle with magnesium silicate.
Evening skies on the planet show a clear view, contrasting with cloudy mornings.
The study leveraged transit measurements to compare leading and trailing edges during a transit.
Clouds may evaporate at higher temperatures on the day side, altering composition.
Researchers found two similar cloud cycles in WASP-39 b and WASP-17 b, indicating broader patterns.
Scientists aim to compare hot gas giants with planets in the habitable zone for broader context.
The research highlights that exoplanet cloud behavior can inform theories of planet formation.
The study provides a clearer picture of exoplanet atmospheres than prior observations.
WASP-94A b orbits its star closer than Mercury orbits the Sun, creating extreme conditions.
The team’s findings add context for future exoplanet research and atmospheric studies.
The study underscores the diversity of cloud chemistry on hot gas giants.

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#2 out of 4

1d ago

New evidence shows fungal spikes in sediments indicate pre-asteroid environmental stress in the dinosaur era.
Three separate fungal abundance periods precede the impact, pointing to ongoing ecological decay.
Volcanic activity in the Deccan Traps likely contributed to climate change and ecosystem stress.
A second fungal bloom coincides with the asteroid boundary, suggesting a global response to the impact.
A final, unexplained fungal rise occurs about 10,000 years after the impact during the Paleocene.
Researchers say recovery after mass extinctions is rarely smooth or predictable.
Warm-blooded mammals may have had an advantage in a fungus-rich, stressful world.
The study links fungal evidence to broader events, not just a single cause of extinction.
The research appears in the Proceedings of the National Academy of Sciences.
Experts say the findings add nuance to the dinosaur extinction story by highlighting preexisting stress.

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#3 out of 4

New simulations suggest our solar system briefly hosted an extra ice giant in its early history.
That lost planet may have helped Jupiter and Uranus retain their moons during planetary migration.
Researchers tested 122 possible early solar system configurations to study moon survival.
Jupiter’s moons showed better survival in scenarios with two extra ice giants, while Uranus fared better with a single larger ice giant.
The probability that both planets’ moons survive the same scenario is only about 1%.
Two successful scenarios included one extra ice giant at the start, suggesting a lingering influence on planet dynamics.
The study emphasizes that the Nice model simulations are stochastic and cannot perfectly recreate history.
Researchers say the large-scale pattern points to a past planet that influenced moon orbits without destroying them.
The paper detailing the findings was published in the journal Icarus and led by Clement and colleagues.

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#4 out of 4

CMND-100 received IRB approval from Johns Hopkins for its alcohol use disorder trial.
Safety data showed CMND-100 was well tolerated at highest tested doses with no serious adverse events.
CMND filed a Japanese patent for MEAI compositions to treat depression, expanding IP to 19 patent families.
CMND now has 31 granted patents as part of its overall patent portfolio.
TradingView summarizes the updates as part of CMND's Nasdaq-traded activities.

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