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Search results for Evolutionary Biology

Ecology 2 hours ago

Scientists discover secret behind Earth's biodiversity hotspots

The research suggests that biodiversity hotspots—such as the Daintree Rainforest in Australia and the Cloud Forests of Ecuador—are teeming with species because they have been ecologically stable for long periods of time, ...

Plants & Animals 4 hours ago

Oriole hybridization is a dead end: study

A half-century of controversy over two popular bird species may have finally come to an end. In one corner: the Bullock's Oriole, found in the western half of North America. In the other corner: the Baltimore Oriole, breeding ...

Evolution 8 hours ago

Neanderthal DNA contributes to genetic diversity, bringing more understanding to human evolution

The advent of DNA sequencing has given scientists a clearer insight into the interconnectedness of evolution and the web-like path that different organisms take, splitting apart and coming back together. Tony Capra, associate ...

Biotechnology 10 hours ago

Scientists discover ancient enzymes evolve new tricks

Plants, herbivores, and pathogens are locked in a war for survival that is hundreds of millions of years old. Rooted in place and with no way to run, plants evolved complex, chemical-producing machinery in their cells to ...

Cell & Microbiology Jul 30, 2020

Stay or leave? A tale of two virus strategies revealed by math

As small and relatively simple as they may be, even viruses have strategies. Now, researchers in Japan report that they can evaluate two of these strategies through a combination of biology and math, providing a new tool ...

Ecology Jul 30, 2020

Tierra del Fuego: Marine ecosystems from 6,000 to 5,000 years ago

Global warming will modify the distribution and abundance of fish worldwide, with effects on the structure and dynamics of food networks. However, making precise predictions on the consequences of this global phenomenon is ...

Environment Jul 30, 2020

Plastics, pathogens and baby formula: What's in your shellfish?

The first landmark study using next-generation technology to comprehensively examine contaminants in oysters in Myanmar reveals alarming findings: the widespread presence of human bacterial pathogens and human-derived microdebris ...

Molecular & Computational biology Jul 30, 2020

In defence mode: This is how Zika virus protects key parts of its genome

To fight viruses, cells can deploy defense enzymes that progressively destroy viral genome strands starting from one of the two strand ends. However, this degradation mechanism is not effective against epidemic viruses such ...

Ecology Jul 29, 2020

Butterfly genomics: Monarchs migrate and fly differently, but meet up and mate

Each year, millions of monarch butterflies migrate across eastern North America to fly from as far north as the U.S.-Canadian border to overwinter in central Mexico—covering as much as 3,000 miles. Meanwhile, on the other ...

Archaeology & Fossils Jul 29, 2020

Scientists prove bird ovary tissue can be preserved in fossils

A research team led by Dr. Alida Bailleul from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences has put one controversy to rest: whether or not remnants of bird ovaries ...

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