LUCA, the "last universal common ancestor" of all living organisms, lived 4.32–4.52 billion years ago, according to a study from NIOZ biologists Tara Mahendrarajah and senior author Anja Spang, with collaborating partners ...
Evolution
Nov 21, 2023
0
173
White-browed sparrow weavers live in family groups in which only a dominant pair breeds and their grown-up offspring, particularly females, help to feed nestlings.
Plants & Animals
Nov 10, 2023
0
52
Microfossils from Western Australia may capture a jump in the complexity of life that coincided with the rise of oxygen in Earth's atmosphere and oceans, according to an international team of scientists.
Evolution
Nov 7, 2023
0
225
Addressing the shortage of women in STEM-related fields such as computer science is not enough to close the gender gap in both representation and pay: Treating women more like men, especially on pay day, is more important ...
Social Sciences
Nov 6, 2023
0
16
Jewel wasps (Chalcidoidea) are one of the most diverse groups of insects, with more than 120,000 species described and an estimated true diversity of nearly 1 million. The chalcids are parasitoid wasps, which attack other ...
Evolution
Oct 25, 2023
0
271
Imagine researchers exploring a dark room with a flashlight, only able to clearly identify what falls within that single beam. When it comes to microbial communities, scientists have historically been unable to see beyond ...
Cell & Microbiology
Oct 11, 2023
0
1
Maize plants form special compounds derived from indole, the so-called benzoxazinoids. They are considered ecologically important because they act against a wide range of herbivores and reduce their feeding. Benzoxazinoids ...
Evolution
Oct 9, 2023
0
243
When an asteroid hit the Earth 66 million years ago, it set off a devastating mass extinction. The dinosaurs (except for a few birds) all died out, along with lots of the mammals. But some small mammals survived, laying the ...
Evolution
Oct 5, 2023
0
204
A team of horticulturists, genealogists and germplasm specialists affiliated with multiple institutions in China, working with two colleagues from the U.S. and one from Australia, has found evidence that suggests citrus fruits ...
It's been almost exactly 15 years since Lehmann Brothers declared bankruptcy, marking the height of the financial crisis. Since then, we've entered the era of the "polycrisis"—where several catastrophic events are happening ...
Social Sciences
Sep 27, 2023
0
22
