The whip - like
tail of some bacteria has become the cause célèbre of the «intelligent design» movement and a focal point in science's ongoing struggle against unreason.
2003 EL61 looks like a deflated football hurtling end over end through space, dragging along two moons and
a tail of icy debris.
Then the heated ices sublime, producing a bright halo of glowing gas that trails behind the rock: the coma and
the tail of a comet, which fade again as the object retreats past Neptune.
It is too faint to tell for now, but if Segue 2 has
a tail of stars streaming away from it into the Milky Way, that's strong proof for the tidal stripping scenario, says Kirby.
Other galaxies that have been stripped by their neighbours seem to maintain their original size, often with the addition of a long, tell - tale
tail of material that signals matter was being pulled away.
There, the chaperone detaches, and the subunit latches onto the dangling
tail of another subunit.
The tail of the adults shows varying degrees of turquoise to bluish pigmentation.
The long
tail of the typhoon's destruction is also stoking anxiety about the future of agriculture in some areas of the Philippines.
As comets near the sun, they start to melt, releasing
a tail of dust and gas that stretches out a pretty long way, sometimes hundreds of miles.
Oh, yeah: It also has the bushiest
tail of any mammal compared with its body size.
On
the tail of California's most destructive and expensive year of firefighting ever, it might seem obvious that vegetation removal would reduce the risk of such a year happening again.
The platypus (Ornithorhynchus anatinus) is an odd - looking creature whose features combine the furry torso and wide, flat
tail of a beaver with the rubbery bill and webbed feet of a duck.
The observation comes on
the tail of rumours of a possible detection of neutron stars merging, which could cause gravitational waves we can observe on Earth.
Another is the UC Berkeley Space Sciences Lab's Stardust@home project (stardustathome.ssl.berkeley.edu), which has recruited about 30,000 volunteers to scour, via the Internet, microscope images of interstellar dust particles collected from
the tail of a comet that may hold clues to how the solar system formed.
«If we can spark in younger people a greater interest in science, convince frontline teachers of the importance of what they do, or interest further the long
tail of industry,» he said, «then we will have done something useful.»
With a continuous surface, he says it could generate more lift than the feathers along
the tail of the most primitive bird, Archaeopteryx, making it more useful for flight.
The research shows that the reversible modification of EGFR with palmitate «pins»
the tail of EGFR to the cell, impeding EGFR activation.
Rey says that this curious - looking creature — described as having the snout of a pig, the ears of a rabbit and
the tail of a kangaroo — is much more than just a curiosity to be checked off a bucket list.
Previously rendered only in artists» conceptions, the first asteroid collision known in modern times revealed itself in
a tail of debris streaming from what astronomers at first assumed was a comet.
«
Tail of stray black hole hiding in the Milky Way.»
They found that dissipation followed what's known as a lognormal distribution — one in which one
tail of the distribution dominates the average.
At low speeds, the flow doesn't wrap all the way around the ball, but separates from it at the ball's widest part, creating a wake of whorls and eddies that stretches out behind the ball like the flapping
tail of a kite.
His idea is to graft
the tail of the IgA1 onto an IgG - type antibody, which is much easier to handle.
In 1973, Daniel Weihs of the University of Cambridge (Nature, DOI: 10.1038 / 241290a0) suggested that the vortices shed by
the tail of a fish in a school sets the surrounding water moving faster so that neighbouring fish get a speed boost.
A recent study used observations of magnetic reconnection from NASA's ARTEMIS — Acceleration, Reconnection, Turbulence and Electrodynamics of the Moon's Interaction with the Sun — to show that in the long
tail of the nighttime magnetosphere, extending away from Earth and the sun, most of the energy is converted into heat.
The next time Moyes swam through the shadowy mouth of Actun Tunichil Muknal, she imagined herself on
the tail of a procession of ancient pilgrims.
Biochemistry experiments showing that the enzyme demethylated a specific amino acid, a lysine, on
the tail of one kind of histone.
Its gravity is so weak that much of that atmosphere streams off into space, like
the tail of a comet.
The pelvis was also steadied during a jump by muscles that had been converted from tail duty — Prosalirus had lost
the tail of its amphibian ancestors.
All lipoxygenases perform the same task: They attach two oxygen atoms to the long
tail of a cell membrane molecule called arachodonic acid.
In August, a team of astronomers reported that Mira has a 13 - light - year - long
tail of glowing stardust, something never seen in any other star.
The meteors are bits of dust and rock from
the tail of Comet Tempel - Tuttle, which does a loop around the sun every 33 years.
That gas, astronomers report this month in The Astrophysical Journal Letters, has been whipped up so much by its encounter with the intergalactic medium — like a comet's
tail of ice crystals getting buffeted by the solar wind — that it has condensed into stars.
Cassini's new measurements of these neutral atoms revealed something unexpected — the particles coming from
the tail of the heliosphere reflect the changes in the solar cycle almost exactly as fast as those coming from the nose of the heliosphere.
The main parts of Archaeoraptor are
the tail of a Microraptor and the body and skull of a previously unknown bird, named Yanornis in a 2002 Nature paper entitled «Archaeoraptor's Better Half.»
Orchids bloomed while dinosaurs roamed, according to a study of the first fossilized orchid — a clutch of pollen stuck to
the tail of a now extinct bee and preserved in amber for the last 15 million to 20 million years.
The C - terminal end of the cytoplasmic
tail of gp41, measuring 105 amino acid residues, was tightly associated to the membrane and had three alpha - helixes with portions that were hydrophobic and portions that were hydrophilic.
One problem for Saad and his UAB colleagues came as they tried to express the cytoplasmic
tail of gp41 in growing E. coli cells.
Knowledge of this structure, called the cytoplasmic
tail of gp41 protein, will help researchers further understand how the virus infects human cells and how progeny viruses are assembled and released from infected cells.
They found that the N - terminal end of the cytoplasmic
tail of gp41, measuring 45 amino acid residues, lacked a regular secondary structure and was not associated with the membrane, which wraps around an HIV - 1 viral particle like the leather cover of a baseball.
Because the Explorer was «very tenuously held by Earth,» says Farquhar, it was relatively easy to break that connection in 1982 and send the craft off on an unplanned mission — to fly through
the tail of the comet Giacobini - Zinner.
The tail of the Comet Swift - Tuttle, which last passed near Earth in 1992, leaves such debris in Earth's path.
Showy ornaments used by the male of the species in competition for mates, such as the long
tail of a peacock or shaggy mane of a lion, could indicate a species» risk of decline in a changing climate, according to a new study from Queen Mary University of London (QMUL).
A peacock's ornate tail may be the best - known example of a mate - attracting ornament, but a new study finds that peacock tails have nothing on
a tail of another kind.
Cytoplasmic
tail of gp41 The structures of three membrane - associated cytoplasmic tails of gp41 are shown in red and orange, from this illustration of the trimeric spike structure.
Like all fatty acids, the building blocks of fats and oils, omega - 3s are linear molecules with a carboxylic acid head at one end trailing
a tail of linked carbon atoms.
«We detected strong indications of the sublimation of water ice due to the increased solar heating — similar to how
the tail of a comet is created,» explains Jessica Agarwal (Max Planck Institute for Solar System Research, Germany), the team leader and main author of the research paper.
«
A tail of gene expression.»
Comets are icy objects on elongated orbits that throw off a long
tail of gases as they near the sun.
They identified snakelike features in the fossil, including a long body consisting of more than 150 vertebrae, a relatively short
tail of 112 vertebrae, hooked teeth, and scales on its belly.