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Rob Ness, Marc Johnson and their PhD student James Santangelo led a study, supported by GLUE, to examine the effects that humans have had on the evolution of plants and animals. Almost 300 scientists from around the world coordinated on the project. (Zenger News)

Humans Are Changing The Way Life Evolves, Scientists Say

An international collaboration of almost 300 scientists examined changes in the white clover between urban and rural environments.
The post Humans Are Changing The Way Life Evolves, Scientists Say appeared first on Zenger News.
[…]

Coastal Redwood trees stand at Muir Woods National Monument on August 20, 2013, in Mill Valley, California. A recent study found that redwoods have two distinct types of leaves — one for absorbing water and one for photosynthesis. The placement of the leaf types changes across their range depending on how wet or dry their conditions are. (Justin Sullivan/Getty Images)

Redwoods Have Specialized Leaves That Allow Adaptation To Both Wet And Drier Climates

The world’s biggest trees have leaves dedicated to absorbing water as well as leaves dedicated to photosynthesis.
The post Redwoods Have Specialized Leaves That Allow Adaptation To Both Wet And Drier Climates appeared first on Zenger News.
[…]

A grasshopper clings to the grasses of the Carrizo Plain National Monument, June 1, 2001. President Bill Clinton established the national monument in his final days in office to save the last large remnant of the aboriginal ocean of grassland that once covered central California. (David McNew/Getty Images)

A Study Of Grasshopper Jaws Reveals Similarity To Mammals, Diversity Of Diet

3D imaging of grasshoppers’ mandibles avoids the destruction of samples and may be used with other species.
The post A Study Of Grasshopper Jaws Reveals Similarity To Mammals, Diversity Of Diet appeared first on Zenger News.
[…]

Researcher Ashley Poust holds the fossilized lower jaw of Diegoaelurus, a bobcat-sized carnivore that lived 42 million years ago. Diegoaelurus was much smaller than the commonly known Smilodon, or saber-tooth cat, seen in the background. Smilodon evolved roughly 40 million years after Diegoaelurus went extinct, but both animals were saber-toothed, hyper-carnivorous predators, meaning their diets consisted almost entirely of meat. (San Diego Natural History Museum)

The Saber-Tooth Predator That Lived Millions Of Years Before Cats

Diegoaelurus vanvalkenburghae may have been the first cat-like mammal to live on meat alone.
The post The Saber-Tooth Predator That Lived Millions Of Years Before Cats appeared first on Zenger News.
[…]

Scanning Electron Microscope image of iP./i cf. ibalticum/i showing distinctive dual wing-like apical projections and unique large pores with emanating large spines (white arrows). (Larsson et al., 2022/Nature Communications)

Mighty Mini Marvel: Tiny Marine Microbe Could Be Secret Weapon In Battle Against Climate Change

By facilitating the transfer of carbon to deeper levels of the ocean, these microbes could allow climate goals to be achieved.
The post Mighty Mini Marvel: Tiny Marine Microbe Could Be Secret Weapon In Battle Against Climate Change appeared first on Zenger News.
[…]

A rodent species that lives on the steppes of Russia and northern Asia shapes its environment by trimming unpalatable bunchgrasses to watch for predatory birds in an example of natural ecosystem engineering. (Guoliang Li/University of Exeter)

Voles Cut Grass To Shape Their Environment And Fend Off Their Foes

Rodents engage in environmental engineering on the steppes of Russia and China.�
The post Voles Cut Grass To Shape Their Environment And Fend Off Their Foes appeared first on Zenger News.
[…]

Paleontologists in Argentina found hundreds of pieces of bone, shown in this press release photo with the pen serving as a measurement guide, that had been embedded inside the skin of certain prehistoric giant sloths. (Paleontological Museum of San Pedro/Zenger)

Prehistoric Giant Sloths Had Chain-Mail Armor Of Bone Mesh To Stop Predators

Researchers in Argentina credit their relationship with the family that runs the quarry for being able to make the find.
The post Prehistoric Giant Sloths Had Chain-Mail Armor Of Bone Mesh To Stop Predators appeared first on Zenger News.
[…]

The species of giant tortoise that inhabits San Cristobal Island, initially thought to be Chelonoidis chathamensis, was found to genetically correspond to a different species, not yet described. (Galápagos National Park/Zenger)

Galapagos Giant Tortoises Alive Today May Actually Be A New Species, Scientists Say

The originally identified species is believed to have gone extinct.
The post Galapagos Giant Tortoises Alive Today May Actually Be A New Species, Scientists Say appeared first on Zenger News.
[…]

A school of manini fish pass over a coral reef at Hanauma Bay on Jan. 15, 2005, in Honolulu, Hawaii. Many coral reefs are threatened by ocean warming and acidification, but a new study offers hope about their long-term survival. (Donald Miralle/Getty Images)

Optimism Grows For Survival Of Hawaiian Corals In Long-Term Study

Long-term study shows that even after a stark response to stressors, given enough time, corals can recalibrate.
The post Optimism Grows For Survival Of Hawaiian Corals In Long-Term Study appeared first on Zenger News.
[…]

California scrub jays are seen defeating a puzzle containing food, developed by scientists to test whether sociable birds have cognitive abilities superior to those of less sociable birds. (Oregon State University)

Loner Jays Learn Just As Well As Social Jays, Scientists Say

Scientists developed innovative puzzles for birds to solve to gain a prize.
The post Loner Jays Learn Just As Well As Social Jays, Scientists Say appeared first on Zenger News.
[…]

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