Results 151 to 160 of about 1,207,200 (332)
Disparity of turbinal bones in placental mammals
Abstract Turbinals are key bony elements of the mammalian nasal cavity, involved in heat and moisture conservation as well as olfaction. While turbinals are well known in some groups, their diversity is poorly understood at the scale of placental mammals, which span 21 orders.
Quentin Martinez+11 more
wiley +1 more source
Orbital Migration Through Atmospheric Mass Loss
Atmospheric mass loss is thought to have strongly shaped the sample of close-in exoplanets. These atmospheres should be lost isotropically, leading to no net migration on the planetary orbit.
Benjamin Hanf+4 more
doaj +1 more source
Abstract Plutonium was discovered and first synthesized in the early 1940's. Several isotopes of plutonium are used in nuclear technologies, 238Pu for heat generation and 239Pu for energy production and weapons. Both isotopes emit alpha particles, which pose a significant radiation hazard when incorporated into the body.
Scott C. Miller
wiley +1 more source
On the Co‐orbital Corotation Torque in a Viscous Disk and Its Impact on Planetary Migration [PDF]
F. Masset
openalex +1 more source
Honey Bee Breeding and Breed: Advancements, Challenges, and Prospects
Our work clarifies concepts related to honey bee classification, reviews traditional and modern breeding techniques, explores advancements in molecular breeding, prospects gene‐editing tools, and advocates for integrated breeding strategies to ensure the long‐term sustainability and vitality of honey bee populations amid declining managed populations ...
Zheguang Lin+5 more
wiley +1 more source
Self-consistent $N$-body simulation of Planetesimal-Driven Migration I. The trajectories of single planets in the uniform background [PDF]
Recent exoplanet observations have revealed a diversity of exoplanetary systems, which suggests the ubiquity of radial planetary migration. One powerful known mechanism of planetary migration is planetesimal-driven migration (PDM), which can let planets undergo significant migration through gravitational scattering with planetesimals. In this series of
arxiv
Sulfurised polyacrylonitrile (SPAN) has been synthesized using a simple and scalable method, achieving a high sulfur content covalently linked to its framework. The development of SPAN cathodes demonstrates significant improvements in combating capacity fading and the shuttle effect in sodium‐sulfur (Na−S) batteries.
Jesús M. Blázquez‐Moreno+4 more
wiley +1 more source
The PFS View of TOI-677 b: A Spin–Orbit Aligned Warm Jupiter in a Dynamically Hot System
TOI-677 b is part of an emerging class of “tidally detached” gas giants ( a / R _⋆ ≳ 11) that exhibit large orbital eccentricities and yet low stellar obliquities. Such sources pose a challenge for models of giant planet formation, which must account for
Qingru Hu+11 more
doaj +1 more source
Waiting for the wave, but missing the tide: Case studies of climate-related (im)mobility and health
Climate change amplifies health risks, including through the health impacts of climate-related displacement. Yet diverse mobility responses in a warming world can also provide a pathway for climate change adaptation. This article examines the connections
Celia McMichael+2 more
doaj
Population synthesis of planet formation using a torque formula with dynamic effects [PDF]
Population synthesis studies into planet formation have suggested that distributions consistent with observations can only be reproduced if the actual Type I migration timescale is at least an order of magnitude longer than that deduced from linear theories.
arxiv