Results 261 to 270 of about 53,517 (330)

Large‐Scale Integrative Taxonomy of the Smallest Insects Reveals Astonishing Temperate Diversity (Hymenoptera: Chalcidoidea: Mymaridae)

open access: yesMolecular Ecology, Volume 34, Issue 24, December 2025.
ABSTRACT Fairyflies (Hymenoptera: Chalcidoidea: Mymaridae) are a diverse but taxonomically understudied group of parasitoid wasps that attack the eggs of other insects. Being among the very smallest of all insects, they are often ignored in biodiversity surveys despite being one of the most abundant microhymenoptera in many habitats.
Catherine Hébert, Colin Favret
wiley   +1 more source

A giant disk galaxy two billion years after the Big Bang. [PDF]

open access: yesNat Astron
Wang W   +16 more
europepmc   +1 more source

The simplicity of physical laws

open access: yesNoûs, Volume 59, Issue 4, Page 957-987, December 2025.
Abstract Physical laws are strikingly simple, yet there is no a priori reason for them to be so. I propose that nomic realists—Humeans and non‐Humeans—should recognize simplicity as a fundamental epistemic guide for discovering and evaluating candidate physical laws.
Eddy Keming Chen
wiley   +1 more source

Strong Lensing by Galaxies. [PDF]

open access: yesSpace Sci Rev
Shajib AJ   +9 more
europepmc   +1 more source

Effects of the alarm pheromone on Triatoma pallidipennis behaviour

open access: yesPhysiological Entomology, Volume 50, Issue 4, Page 374-387, December 2025.
T. pallidipennis performs behavioural acts in response to volatiles emitted by mechanically disturbed conspecifics. T. pallidipennis shows a repellent response when exposed to volatiles emitted by mechanically disturbed conspecifics. Isobutyric and propanoic acids can be used as repellents of T. pallidipennis. Abstract Adults of some Triatomine species,
Claudia I. Albores‐Flores   +5 more
wiley   +1 more source

Lessons from the void: What Boltzmann brains teach

open access: yesAnalytic Philosophy, Volume 66, Issue 4, Page 594-621, December 2025.
Abstract Some physical theories predict that almost all brains in the universe are Boltzmann brains, that is, short‐lived disembodied brains that are accidentally assembled as a result of thermodynamic or quantum fluctuations. Physicists and philosophers of physics widely regard this proliferation as unacceptable, and so take its prediction as a basis ...
Bradford Saad
wiley   +1 more source

A binary system in the S cluster close to the supermassive black hole Sagittarius A. [PDF]

open access: yesNat Commun
Peißker F   +6 more
europepmc   +1 more source

Galaxy mergers in the epoch of reionization – I. A JWST study of pair fractions, merger rates, and stellar mass accretion rates at z  = 4.5–11.5 [PDF]

open access: gold
Qiao Duan   +32 more
openalex   +1 more source

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