Palmer amaranth's molecular secrets reveal troubling potential

Corn, soybean, and cotton farmers shudder at the thought of Palmer amaranth invading their fields. The aggressive cousin of waterhemp—itself a formidable adversary—grows extremely rapidly, produces hundreds of thousands ...

Antibiotic resistance surges in dolphins, mirroring humans

Antibiotic resistance is one of the biggest public health challenges in the world today since many common bacterial infections are developing resistance to the drugs once used to treat them, and new antibiotics aren't being ...

Microbes make chemicals for scent marking in a cat

Domestic cats, like many other mammals, use smelly secretions from anal sacs to mark territory and communicate with other animals. A new study from the Genome Center at the University of California, Davis shows that many ...

New species of giant salamander is world's biggest amphibian

Using DNA from museum specimens collected in the early 20th century, researchers from ZSL (Zoological Society of London) and London's Natural History Museum identified two new species of giant salamander—one of which they ...

Look out, invasive species: The robots are coming

Invasive species control is notoriously challenging, especially in lakes and rivers where native fish and other wildlife have limited options for escape. In his laboratory's latest foray into using biomimetic robots to understand ...

Antimicrobial resistance is rising drastically: study

The world is experiencing unprecedented economic growth in low- and middle-income countries. An increasing number of people in India, China, Latin America and Africa have become wealthier, and this is reflected in their consumption ...

For lemurs, sex role reversal may get its start in the womb

Anyone who says females are the 'gentle sex' has never met a lemur. Lady lemurs get first dibs on food, steal their mates' favorite sleeping spots and even attack males, swatting or biting those that annoy them.

These pink sea urchins have teeth that sharpen themselves

Sea urchins have five teeth, each held by a separate jaw in a circular arrangement at the center of their spiked, spherical bodies. Now, researchers reporting in the journal Matter on September 18 have discovered how the ...

Colorful new gecko species described

A Griffith University student has played a key role in the discovery and description of a new gecko species—the eye-catching yellow-snouted bent-toed gecko from a mountain forest in Papua New Guinea.

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