Results 121 to 130 of about 81,735 (293)

Planting for healthy air: Urban biodiversity enhances natural chemical environments

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Cities urgently need nature to improve public health, support biodiversity, and increase resilience to climate change. Yet not all green spaces offer the same benefits. In this study, we show that more diverse urban plantings create richer “chemical environments”; subtle, naturally scented atmospheres formed by plant emissions that can influence how ...
Aurora Ruggeri   +5 more
wiley   +1 more source

What if we Find Nothing? Bayesian Analysis of the Statistical Information of Null Results in Future Exoplanet Habitability and Biosignature Surveys

open access: yesThe Astronomical Journal
Future telescopes will survey temperate, terrestrial exoplanets to estimate the frequency of habitable ( η _Hab ) or inhabited ( η _Life ) planets.
Daniel Angerhausen   +4 more
doaj   +1 more source

Food plant diversity in a rapidly changing world

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Diversity in food plants is essential to human and planetary health. On farms, in diets, and in many other areas of food systems, this diversity has undergone enormous change globally, including significant decline. We describe major trends in how food plant diversity has been changing, note the responses from conservation communities, highlight gaps ...
Colin K. Khoury   +8 more
wiley   +1 more source

Closeby Habitable Exoplanet Survey (CHES). IV. Synergy between Astrometry and Direct Imaging Missions of the Habitable World Observatory for Detecting Earth-like Planets

open access: yesThe Astronomical Journal
The detection and characterization of habitable planets around nearby stars persist as some of the foremost objectives in contemporary astrophysics.
Chunhui Bao   +6 more
doaj   +1 more source

Can there be additional rocky planets in the Habitable Zone of tight binary stars with a known gas giant?

open access: yes, 2015
International audienceLocating planets in Habitable Zones (HZs) around other stars is a growing field in contemporary astronomy. Since a large percentage of all G-M stars in the solar neighbourhood are expected to be part of binary or multiple stellar ...
Pilat-Lohinger, Elke   +2 more
core   +1 more source

Learning from mistakes: Understanding and refining machine learning predictions of extinction risk for single‐country endemics

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
As of 2026, fewer than 23% of vascular plants have IUCN Red List assessments, despite accelerating threats to biodiversity. Predictive models of extinction risk complement assessments and help prioritize conservation action but face a trade‐off between data resolution and species coverage.
Emma S. Ericksen   +27 more
wiley   +1 more source

Smaller Than Earth Habitability Model (STEHM): The Lower Size Limit for Atmosphere Retention in the Habitable Zone

open access: yesThe Planetary Science Journal
With recent advances in exoplanet observational techniques enabling the discovery of increasingly smaller planets, a crucial question emerges in the search for habitable planets: how small can a planet be and still maintain an atmosphere?
Michelle L. Hill   +3 more
doaj   +1 more source

Climate stability of habitable Earth-like planets

open access: yes, 2015
The carbon-silicate cycle regulates the atmospheric CO 2 content of terrestrial planets on geological timescales through a balance between the rates of CO 2 volcanic outgassing and planetary intake from rock weathering.
Kristen Menou
core  

Inferring Brown Bear Hair Snare Interactions by Automatically Detecting Bipedalism on Camera Trap Images Using Pose Estimation and a Multilayer Perceptron

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
This study proposes an automated method to infer brown bear hair snare interactions by detecting bipedal behavior in camera‐trap images using a pose estimation model and a multilayer perceptron (MLP). A YOLO‐based model, fine‐tuned from humans and dogs to a custom dataset, achieved high performance (≈93% keypoint precision and ≈96% classification ...
Arnau Campanera‐Moliné   +8 more
wiley   +1 more source

Requirements for Joint Orbital Characterization of Cold Giants and Habitable Worlds with Habitable Worlds Observatory

open access: yesThe Astronomical Journal
We determine optimal requirements for the joint detection of habitable-zone planets and cold giant planets with the Habitable Worlds Observatory (HWO). Analysis of 164 nearby stars shows that a coronagraph outer working angle of 1440 milliarcseconds (mas)
Sabina Sagynbayeva   +12 more
doaj   +1 more source

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