Add BrightSurf on Google Email

American Association for the Advancement of Science (AAAS)


Hunga Tonga-Hunga Ha’apai Eruption blasted vast quantities of water vapor into the stratosphere

The Hunga Tonga-Hunga Ha'apai eruption injected at least 50 million metric tons of water vapor directly into the stratosphere, potentially increasing global stratospheric water vapor by more than 5%. This unprecedented event could lead to changes in atmospheric chemistry and dynamics, including stratospheric cooling and surface warming.

Single-cell transcriptomics reveals evolutionary innovations in reptile and amphibian brains

Researchers used single-cell and spatial transcriptomics to investigate cell type evolution in reptiles and amphibians, revealing diverse cell types and regions that evolved independently. The studies also highlighted the importance of data sharing and the power of accumulating single-cell data from multiple species for evolutionary co...

Study reveals hidden selection against interbreeding in baboons; underscores value of other primates as living models for human evolution

A new study based in Africa reveals hidden selection against interspecies breeding in wild baboon species. The findings highlight the crucial role of other living primates as models for understanding human evolution, particularly for phenomena that are impossible to study in our lineage alone.

Competition, not climate, limits bird species’ ranges in tropical mountains

A new study of 31 mountain regions across the globe found that species interactions, not climate, limit bird species' ranges in tropical mountains. The study used 4.4 million fine-scale locality records from eBird and suggests that physiological adaptations to climatic niches result in high numbers of species in tropical mountains.