Do videos show ivory-billed woodpecker, or is it extinct?
The federal government has been asked to consider at least two videos made in recent years as evidence that ivory-billed woodpeckers may still exist.
The federal government has been asked to consider at least two videos made in recent years as evidence that ivory-billed woodpeckers may still exist.
Ecology
Aug 12, 2022
7
235
Human populations have waxed and waned over the millennia, with some cultures exploding and migrating to new areas or new continents, others dropping to such low numbers that their genetic diversity plummeted. In some small ...
Evolution
Jun 23, 2022
0
523
A molecular biologist at the USC Dornsife College of Letters, Arts and Sciences may have found a new "rule of biology."
Evolution
May 17, 2024
0
197
In the last year, statistics have been unusually important in the news. How accurate is the COVID-19 test you or others are using? How do researchers know the effectiveness of new therapeutics for COVID-19 patients? How can ...
Mathematics
Jan 7, 2021
0
6
Where hidden water tables meet the Earth's surface, life can thrive even in the driest locations. Offering refuge during times of drought, shallow groundwater aquifers act like water savings accounts that can support ecosystems ...
Earth Sciences
Jul 17, 2024
0
163
A large international team of researchers has conducted an extensive genetic analysis of lions, and in so doing, has learned about their evolutionary history. In their paper published in Proceedings of the National Academy ...
The horse transformed human history—and now scientists have a clearer idea of when humans began to transform the horse.
Archaeology
Jun 9, 2024
0
391
A pair of researchers at Michigan State University has conducted an experiment with Escherichia coli bacteria meant to help settle a long-time debate in the evolutionary community. They have written a paper describing their ...
Commercial whaling in the 20th century decimated populations of large whales but also appears to have had a lasting impact on the genetic diversity of today's surviving whales, new research from Oregon State University shows.
Plants & Animals
Oct 2, 2023
0
739
The Colorado potato beetle has evolved resistance to more than 50 different kinds of insecticides, making the insect a "super pest" that wreaks havoc on potatoes around the world.
Evolution
Feb 18, 2022
4
644