Filtered By:
Nutrition: Fish
Countries: Mexico Health
This page shows you your search results in order of date.
Order by Relevance | Date
Total 151 results found since Jan 2013.
Human Adaptation to Heat Can ’t Keep Up With Human-Caused Climate Change
The last time the Earth was hotter than it is today was at least 125,000 years ago, long before anything that resembled human civilization appeared. Since 1970, the Earth’s temperature has spiked faster than in any comparable forty-year period in recorded history. The eight years between 2015 and 2022 were the hottest on record. In 2022, 850 million people lived in regions that experienced all-time high temperatures. Globally, killer heat waves are becoming longer, hotter, and more frequent. One study found that a heat wave like the one that cooked the Pacific Northwest in 2021 is 150 times more likely today than it ...
Source: TIME: Science - July 6, 2023 Category: Science Authors: Jeff Goodell Tags: Uncategorized climate change Excerpt freelance Source Type: news
Selection Maintains the Phenotypic Divergence of Cave and Surface Fish
Am Nat. 2023 Jul;202(1):55-63. doi: 10.1086/724661. Epub 2023 Jun 9.ABSTRACTAbstractGenetic divergence in the presence of gene flow has been well documented, but there is little information on the specific factors maintaining divergence. The present study investigates this in the Mexican tetra (Astyanax mexicanus), an excellent model for studying this question because surface and cave populations differ markedly in phenotype and genotype but are interfertile. Previous population studies documented significant gene flow among cave and surface populations, but they focused on analyses of neutral markers whose evolutionary dy...
Source: The American Naturalist - June 29, 2023 Category: Biology Authors: Richard Borowsky Source Type: research
