Plants & Animals

Researchers reconstruct the genome of the common ancestor of all mammals

Every modern mammal, from a platypus to a blue whale, is descended from a common ancestor that lived about 180 million years ago. We don't know a great deal about this animal, but the organization of its genome has now been ...

Plants & Animals

Climate change could mean more intense locust outbreaks and threaten food security

A new study by a research team from Arizona State University has found that climate change will dramatically increase the intensity of locust swarms, resulting in even more crops lost to insect pests and threatening food ...

Determining how and why cells make decisions

Cells are constantly making decisions that lead to differentiation. For instance, cells in an embryo make a series of decisions that determine whether they will become neurons in some cases and muscle cells in others. How ...

Novel imaging system could mean near-instant biopsy results

Medicine has advanced dramatically during the last century. But when it comes to getting biopsy results, very little has changed. Consider, for example, what happens when a patient comes in to have a skin lesion biopsied ...

Fasting-mimicking diet reduces signs of dementia in mice

Cycles of a diet that mimics fasting appear to reduce signs of Alzheimer's in mice genetically engineered to develop the illness, according to a new USC Leonard Davis School of Gerontology-led study.

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Medical Xpress

Diseases, Conditions, Syndromes
Isolating the molecules that trigger emphysema

Tech Xplore

Evidence of the use of baby carriers 10,000 years ago

It seems logical enough: even in their earliest history, humans must have needed something to carry their babies around in as they moved from place to place. But because little hard evidence of this exists—no infant-sling ...

New strategy to precisely target subtypes of key protein

Cyclosporine is one of the most common and effective immunosuppressant drugs used to treat chronic diseases like arthritis and psoriasis, but it comes with a risk of serious side effects. Scientists think that may be because ...

Climate change is turning trees into gluttons

Trees have long been known to buffer humans from the worst effects of climate change by pulling carbon dioxide from the atmosphere. Now new research shows just how much forests have been bulking up on that excess carbon.

Quantum effects in memristive devices

At the nanoscale, the laws of classical physics suddenly become inadequate to explain the behavior of matter. It is precisely at this juncture that quantum theory comes into play, effectively describing the physical phenomena ...

Exploring the reality of unread Stasi files

Many people—including public figures such as Nobel Laureate Günter Grass, former West German chancellor Helmut Schmidt, and trade union leader Claus Weselsky—choose not to read their Stasi files. How can this behavior ...

Underwater heat 'inferno' ravages Mediterranean corals

In the temperate shallows of the Mediterranean, once-vibrant red and purple coral forests that provide a crucial haven for biodiversity now stand bleached and brittle, transformed into skeletons by record summer temperatures, ...

Diverse landscapes at the heart of bee conservation

New research from the University of Georgia revealed that mixed land use—such as developments interspersed with forest patches—improves bee diversity and is leading to new solutions for bee conservation.

Developing a key element for scalable quantum computers

Quantum computers have the potential to vastly exceed the capabilities of conventional computers for certain tasks. But there is still a long way to go before they can help to solve real-world problems. Many applications ...

Terahertz light from superconducting stripes

Why do some materials carry electrical currents without any resistance only when cooled to near absolute zero while others do so at comparatively high temperatures? This key question continues to vex scientists studying the ...

Climate change is making lakes less blue

If global warming persists, blue lakes worldwide are at risk of turning green-brown, according to a new study which presents the first global inventory of lake color. Shifts in lake water color can indicate a loss of ecosystem ...