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Biology news
Backward motion is easier to judge at walking speed
When we walk forward, the scene ahead spreads outward from a central point. Moving backward produces the opposite pattern, with the scene appearing to contract inward. These patterns, known as optic flow, help us judge our ...
Cell & Microbiology
34 minutes ago
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Q&A: Why does the right side of the brain control the left side of the body?
Dr. Martin Wessendorf is a neuroscientist and an associate professor emeritus at the University of Minnesota. His work focuses on how the brainstem controls the function of neurons in the spinal cord. Daniel Wang also researches ...
Cell & Microbiology
7 hours ago
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Protein fibers, a hallmark of Alzheimer's, spotted making genetic deliveries to sperm cells
Unexpectedly, a kind of protein that is usually linked with diseases in the brain may play a vital role in semen, helping shepherd genetic material into sperm cells, scientists at Columbia's Zuckerman Institute report in ...
Cell & Microbiology
21 hours ago
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186
False lingzhi unmasked: Scientists crack the 245-year mystery behind a medicinal mushroom mix-up
In a new study published today in Plants, People, Planet, scientists from the Royal Botanic Gardens, Kew, and their international collaborators clarify the distinction between Ganoderma lucidum, a European bracket fungus ...
Evolution
11 hours ago
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Fossils from brickworks reveal new dinosaur species that roamed England's wetlands 125 million years ago
More than 25 years after it was first discovered, a new species and genus of dinosaur have been named from the fossil collections cared for by the Natural History Museum. Paludohadros proudlovii was discovered at wienerberger's ...
Paleontology & Fossils
12 hours ago
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28
Can cats really thrive on vegan diets? Professor Andrew Knight responds to critics
In response to a recent article on vegan diets for cats, Phys.org received numerous messages from concerned readers. People raised a lot of concerns, mainly arguing that cats are obligate carnivores and that vegan diets could ...
Veterinary medicine
15 hours ago
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New binary gene expression system enables independent control of multiple cell types
Our bodies are composed of many different types of cells that work together to build and maintain normal physiological functions. In the central nervous system, for example, neurons transmit information, while glial cells ...
Cell & Microbiology
12 hours ago
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Armored amphibian lived entirely at sea 237 million years ago, fossils suggest
Scientists report fossil evidence of the first fully marine amphibian in a study from the University of California, Davis; Peking University; and the Geological Museum of Guizhou. The amphibian is an armored, giant salamander–sized, ...
Evolution
20 hours ago
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207
Could ecological roles offer clues to how life began?
Producers, consumers, and decomposers play different roles in today's ecosystems. Thinking about these familiar roles led me to a question: Could their differences partly reflect the different physical and chemical environments ...
How shoes change our bones—and what that tells us about the evolution of walking
We tend to think of our bones as solid, unchanging support structures inside our bodies, but a recent study from the University of Chicago shows just how much they can change depending on how we use them.
Evolution
18 hours ago
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Lizard tail preserved in amber sheds light on a 100-million-year-old defense mechanism
A lizard making a dramatic escape, leaving its tail wriggling behind as it darts to safety, is an image familiar to many. Tail-shedding is one of the most widespread defenses against predators among living lizards, yet tracing ...
Evolution
19 hours ago
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Hidden chromosome structures reveal greater complexity in how roundworms organize DNA
Almost every cell in our body contains around two meters (6.6 feet) of DNA, packed into a tiny nucleus. Yet for the cell to function, this enormous amount of genetic material must remain organized and accessible. Researchers ...
Molecular & Computational biology
17 hours ago
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Two distinct sleep stages emerge in jumping spider, including a REM-like state
Humans and other vertebrates go through various stages of sleep, including REM (rapid eye movement) sleep characterized by rapid eye movements and muscle twitches. Can a similar sleep state be observed in spiders? Researchers ...
Plants & Animals
17 hours ago
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Protecting isn't enough—creating integrated conservation landscapes is key
New Monash University research has revealed how countries could strengthen their conservation networks by looking beyond the boundaries of national parks and protected areas—and focusing on how these areas connect.
Ecology
17 hours ago
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Zoologist's study of wild Panamanian bats highlights use of metrics to inform bat conservation
Bats are not only a marvel of myth and imagination but also of energy use, working at the height of their energetic ceiling to fly the night skies the world over.
Ecology
11 hours ago
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RNA archiving method reveals what a cell did days ago
Information on what a cell did a few hours or days ago is generally unavailable to researchers, who can only measure the cell's current status. This is a problem if the aim is to understand how immune responses arise or why ...
Cell & Microbiology
21 hours ago
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South Africa's lion-petting industry: We spent three years investigating and here's what we found
An estimated 8,000 lions are held in captivity in South Africa in about 350 places, ranging from zoos to tourism venues where people can interact up close with the big cats. Lions are also bred for live trade, trade in body ...
Ecology
13 hours ago
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Plants may switch between reproductive strategies more easily than thought
When it comes to reproduction, plants have options. Some can fertilize themselves, while others rely on pollen from genetically different plants. Many populations even contain a mixture of both strategies. But scientists ...
Plants & Animals
21 hours ago
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Drought forces livestock farmers to make tough decisions: Our model shows the impact on inequality
Climate change is amplifying extreme weather conditions across southern Africa. Dry seasons are getting hotter and drier, while rains are becoming heavier and more concentrated. This means greater swings between production ...
Ecology
12 hours ago
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Expanding hemp could boost Kentucky water quality and ecological diversity
Hemp has long been pitched to Kentucky farmers as a way to diversify their income. Research now suggests it could diversify the landscape itself, with measurable benefits for the state's water and wildlife.
Ecology
14 hours ago
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More news
Botanists comb Gabon's rich rainforests with nature on the line
People may have preexisting immunity to bird flu
Researchers improve RNA extraction from precision-cut lung slices
Crows make decisions twice as fast as humans and monkeys
Monarchs report their locations via… cellphone?
Microorganisms show promise for reducing emissions from manure
Newly identified protein pathway helps HIV stay hidden despite treatment
New long‑clawed British dinosaur is the first of its kind in Europe
Other news
Diamond defects confirm 80-year-old theory of crystal stress
Clouds on a lava planet challenge what astronomers expected
Metalens microscope switches focus with voltage, not moving optics
An 'electron waiting room' helps blue titanium dioxide hold light energy longer
Vegan-fed cats less often reported overweight in survey
Rare fossils reveal what ancient Denisovans may have looked like
Scientists uncover the molecular pillars that shape our cells' powerpacks
