But high levels of carbon dioxide in lake waters may dull their senses, leaving the critters open to attack. (sciencenews.org)
Earlier this year, the researchers reported that poorer lake water quality increased the odds of living in a hot spot. (scientificamerican.com)
And here's one reason: The snippets of DNA that they studied all come from frozen lake water collected tens of meters above the current surface of the lake. (sciencenewsforstudents.org)