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Evolution and Darwin

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Science

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Biodiversity, energy & environmental research, life on Earth, Animal Science, Plant Science, Evolution, Survival

What Species Is Most Fit for Life? All Have an Equal Chance, Scientists Say

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There are more than 8 million species of living things on Earth, but none of them — from 100-foot blue whales to microscopic bacteria — has an advantage over the others in the universal struggle for existence. In a paper published Jan. 8 in the prestigious journal Nature Ecology & Evolution, scientists describe the dynamic that began with the origin of life on Earth 4 billion years ago.

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Metabolites, trigonelline, homarine, signaling chemicals, signaling mechanism, mud crab, Blue Crab, Estuaries, Estuarine research, Marine Aquaculture, Marine Biodiversity, marine signaling, Urine, Metabolomics, Oyster, Fisheries, Fisheries and aquaculture, Pesticides, Herbicide, Marine Ecology

‘Hide or Get Eaten,’ Urine Chemicals Tell Mud Crabs

Mud crabs hide for their lives if blue crabs, which prey upon them, pee anywhere near them. Pinpointing urine compounds for the first time that warn the mud crabs of predatory peril initiates a new level of understanding of how chemicals invisibly regulate undersea wildlife and ecosystems.

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Evolution, primordial world

Chemists Discover Plausible Recipe for Early Life on Earth

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Following the chemistry, scientists develop fascinating new theory for how life on Earth may have begun.

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Conservation in Colombia, Leaping Larvae, Electric Sense in Sharks, and More in the Wildlife News Source

The latest research and features on ecology and wildlife.

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larval insects, Larval Development, Jumping

Leaping Larvae: Developing Flies Jump Without Legs

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New research characterizes jumping behavior in larval midge flies. Even though these larvae are typically restrained during development, they can use a unique physiological mechanism to jump long distances. These results will be presented at the annual conference of the Society for Integrative and Comparative Biology in San Francisco, CA.

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Inflammation, placental mammal, Implantation

When a Bad Thing Becomes Good: Was Inflammation Modified to Become Implantation in Placental Mammals?

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New research shows that inflammation was modified by uterine decidual cells to facilitate implantation in placental mammals. The results of this study will be presented at the annual conference of the Society for Integrative and Comparative Biology in San Francisco, CA on January 5, 2018.

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Locomotion, Dinosaur

The Secret World of Dinosaur Tracks

Scans of fossilized dinosaur prints show how some dinosaur feet moved not just on top of but through the earth. The results of this study will be presented at the annual conference of the Society for Integrative and Comparative Biology in San Francisco, CA on January 4, 2018

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Midshipman, toadfish, mating behavior, Physiology, Animal Sounds

Study Reveals How the Midshipman Fish Sustains Its Hour-Long Mating Call

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Researchers at the University of Pennsylvania have discovered how the Pacific midshipman fish can hum continuously for up to an hour in order to attract potential mates. The study, which is featured on the cover of the January 2018 issue of the Journal of General Physiology, explains how the muscle fibers surrounding the fish’s swimbladder can sustain the high rates of contraction—up to 100 times per second—that are needed to produce the animal’s distinctive call.

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Couples 'Money-Talk' Curriculum, Online Interest in Sex Rises at Christmas, Male Virgins Can Still Get HPV, and More in the Sex and Relationships News Source

The latest research and features on sex in the Sex and Relationships News Source

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Archaeology, Archeology, Fossils, life on Earth, Geology, Microbiology, Earth, Earth Science

Oldest Fossils Ever Found Show Life on Earth Began Before 3.5 Billion Years Ago

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Researchers at UCLA and the University of Wisconsin–Madison have confirmed that microscopic fossils discovered in a nearly 3.5 billion-year-old piece of rock in Western Australia are the oldest fossils ever found and indeed the earliest direct evidence of life on Earth.







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