Evolving intelligent life took billions of years − but it may not have been as unlikely as many scientists predicted
We suggest that as the Earth changed physically and chemically over time, its surface conditions allowed for a greater diversity of habitats for life. And these changes operate on geologic timescales ...
Where in the world are Earth’s oldest dinosaurs?
To account for the numerous gaps in the fossil record, they treated the parts of the world where fossils have not been uncovered as missing information rather than designating them areas where no ...
Newly discovered algae species offers insights into plant evolution and UV protection
An international research team has described a newly discovered algae species Streptofilum arcticum and its cell functions ...
Less, but more: A new evolutionary scenario marked by massive gene loss and expansion
Evolution is traditionally associated with a process of increasing complexity and gaining new genes. However, the explosion ...
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Octopuses have some of the oldest known sex chromosomes
Researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on ...