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Burning lithium inside a star

The violent histories of hot Jupiters

... way that these planets orbit their parent stars. In our own solar system, the planets orbit the Sun in very similar ... in the surface of the plate. In addition, the Sun's own rotation axis is closely aligned with the orbits of the ... discs -- clouds of gas and dust that collapse under their own gravity, flattening into a swirling disk. The central ...

Seagrass VIMS

Seagrasses kill bad bacteria

... Now scientists have discovered that the sea may have its own solution in the shape of seagrasses, which come with their own inbuilt water cleansing system. Cornell University's Drew ... pathogens." Harvell also speculates that the plants' own microbes might be responsible. "The plants have their own ...

A house mouse

Cloned tissue cure Parkinson's Mice

... mice with the symptoms of Parkinson's Disease, using their own cells. Writing in Nature Medicine, Sloan-Kettering ... into mouse eggs that had previously been emptied of their own DNA. When the mouse embryonic clones began to develop the ... of the affected mice. One group of animals got their own genetically compatible cells, whilst a second group of ...

Six week old Kitten

A Message from our Cat Overlords

It's a well-known fact that humans don't own their cats - rather the cats own us. This is why I, Dr Kat, am a dog person.  And now a ... the University of Sussex, who got her inspiration from her own cat, who wakes her up in the mornings with an insistent ...

Poison Dart Frog

Why don't poison dart frogs poison themselves?

... American poison dart frogs are powerfully immune to their own poison, and now scientists know why. For thousands of ... packing this kind of chemical firepower within their own bodies, are these frogs unaffected by their own poison? Writing in PNAS, State University of New York duo ...

Total hip replacement, x-ray

Grow-your-own joint replacements

Rabbits can grow their own replacement joints using their stem cells, according to ... The rabbits had re-grown functioning joints, using their own stem cells. Though stem cells are increasingly being seen ... prior to patient applications." Rabbits can grow their own replacement joints using their own stem cells, according ...

Artist's impression of the Milky Way: the stars are collapsed into a flat disc

Dark matter close to home

... mysterious material that produces no visible light of its own, but which astronomers need to explain the tremendous ... see: dark matter. But how much dark matter is there in our own solar system, and could we detect it? We think there's ... throughout the galaxy, whereas planetary systems like our own are tiny condensations of matter -- a few lighthours ...

Researchers used a precision carved scaffold made from cow bone to replace a section of a pig’s jaw.

Anatomically accurate bone regrown

... accurate replacement bones using an individual's own cells has been developed by scientists in the US. There ... in the body. Although this means patients receive their own tissue, the practice is painful and limited by the volume ... produces replacement bone parts replete with the patient's own bone-forming cells. Working with pigs, which are a good ...

Ball-rolling bumblebees capable of reasoning

... pick up the behaviour from seeing the ball roll in on its own, but were found to learn even more efficiently when ... available, the second observed the ball moving on its own (pulled by a magnet out of view of the bees) and the ... animals, though the bees' behaviour is fascinating in its own right. Despite this, while the best of the them might be ...

PICTURE OF A LIVER

The future for artificial livers

... have built an artificial liver that supports a patient's own failing liver and helps it to repair itself... So how you ... tissue damage and showed improved regeneration of their own livers after a drug-induced injury, resembling a drug overdose in humans, to their own livers. Although it's early days, the ultimate aim is, ...

HIV: artists impression of the virus particle

Second patient goes HIV-free

... all the cells in the blood, from a donor whose own cells carry a mutation rendering them resistant to HIV. ... drugs to destroy both the lymphoma and also the patient's own bone marrow cells. Next, they administered into a vein ... described so far had to undergo destruction of their own bone marrow as part of cancer treatment.  Following ...

About the size of a locust and weighing on 7 grams, this tiny robot can jump 27 times its own size.

Hopper-bot reaches parts that other robots can’t reach!

... 7 grams, and can jump 1.4 meters in the air, 27 times it's own height - that's ten times further for it's size and ... like fleas and locusts are able to jump many times their own height by slowly building up energy in elastic muscles, ...

Everyone Hates a Winner it Seems...

... money -- but only at the cost of giving up some of their own. Despite this cost to themselves, and contrary to ... people's money -- but only by giving up some of their own cash winnings. At the most expensive level, they had to ... chose to hurt others, despite the large cost to their own pocket. The researchers found that those who gained the ...

Complement factor H

Knocking meningitis bacteria on the head

... and also punching holes in their membranes.  The body's own cells protect themselves from attack by adding to their ... up so much factor H that there isn't enough for the body's own cells and so they can become vulnerable to immune attack ... locks on to factor H by pretending to be a marker on our own cells. 'It's like the bacteria have stolen someone's coat ...

Impossible cube illusion angle

Men vs. Women: Spatial ability differences due to nurture?

... Khasi are a matrilineal society - where women inherit and own the land - the Karbi are a patrilineal society - where men inherit and own the land. In the study of spatial ability, 1,600 ... abilities, such as playing sport." In regards to our own society, women make up 50% of the population, but ...

International Finance Centre (IFC). A prominent landmark on Hong Kong Island and until recently Hong Kong's tallest building.

Cortisol knocks height fear on the head

Scientists have discovered that a dose of one of the body's own stress chemicals can neutralise a fear of heights. ... oral dose of the chemical cortisol, one of the body's own stress hormones produced by the adrenal gland. Following ... have discovered that a dose of one of the body's own stress chemical, cortisol, can neutralise a fear of ...

The Hubble Space Telescope (HTS) begins its separation from Space Shuttle Discovery following its release on mission STS-82.

Water in Another Solar System

... will eventually end up at around 60% of the mass of our own Sun.  TW Hydrae is a very well-studied system because ... eventually form into a planetary system not dissimilar our own Solar System. It's interesting to ask how similar to our ... both comets, and eventually wet habitable planets like our own Earth. Our Solar System may not be alone in having an ...

A Reed Warbler feeding a Common Cuckoo

Mob rule to scare away cuckoos

... away with it, but if you're the victim you're wasting your own resources on someone else's DNA. Writing in Current ... and just reject any eggs that don't look like their own, but the cuckoos have evolved to be able to lay 'mimic' ... strategy according to their conditions, not unlike our own military! Mob rule to scare away cuckoos ...

Human iPSC-derived liver bud.

Liver grown from stem cells

... steps down a road that could see doctors using a person's own cells to grow a replacement liver. Yokohama City ... whether their replacement livers could replace an animal's own organ. By implanting their human liver replacement tissue ... mice genetically programmed to develop failure of their own livers, the Japanese team were able to show survival ...

Spying on the stars

... orbiting around a star - obviously not including our own solar system.  Publishing their results in the journal ... also younger, with a big far-out dust disk, similar to our own Kuiper belt.   The planets, which formed about sixty ... that the system may be a scaled-up version of our own Solar System, but going round a brighter and bigger star. ...

DNA stanford bunny

DNA of things: storing DNA in objects

... use exactly the same molecule as biology uses to store our own blueprints, but we don’t use natural DNA,” explained ... for it to be safely mixed into plastic. “DNA on its own does not mix with polymers, and even if it did it would ... this technique allows inanimate objects to carry their own designs inside them, just like living things do. “At ...

Tooth plaque reveals what Neanderthals ate

... the evolution of modern human diets and how our own bacterial components have evolved. Remains from two ... dental calculus, a technique that has only come into its own in recent years, 30 years after dental calculus was first ... history opens a window into the evolution of our own microbiomes and health. “To be able to track the ...

A 6-mm-diameter decellularized human TEVG before implant.

Hard graft yields new artificial arteries

... vessel - the ideal source was usually one of their own long saphenous veins, which run up the legs.  And ... of months. In general, except where pieces of a patient's own vessels are used, most vascular grafts (75%) work for ... study of the implanted grafts showed that the animal's own endothelial cells, which line the vasculature, had grown ...

Tadpole of X. tropicalis Image © Science/AAAS

The First Amphibian Genome – A Genetic Leap Forward

... has roughly the same number of protein coding genes as our own. The western clawed frog is particularly interesting for ... genome is remarkably similar to that of the chicken or our own in basic structure, for example, frog genes have very ... human genes. Frogs are known to produce their own antibiotic compounds, to help keep their moist skin free ...

Electric eel shocking an arm

Electric eel ten times the power of a taser

... can be tested directly, and the resistance of the eel's own body could be measured by getting the animal to strike at ... one critical part of the circuit open - the victim's own tissue. For this measurement, Catania contributed his own arm. Using a specially-built apparatus that enabled him ...