Vimal Ramachandran

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Mass Extinction Causes: What Triggered Colossal Loss Of Life In Precambrian Era?

More than 540 million years ago, a mass extinction took place on our planet wiping out soft-bodied organisms. What caused the world’s first mass …

We may be about to solve the one of the biggest mysteries in the universe

NASA, ESA, and D. Coe, J. Anderson, and R. van der Marel (STScI)In case you haven't heard, there is a very, very big problem with the universe: About …

Dark Matter

Gravitational waves: 6 cosmic questions they can tackle

The discovery of ripples in space-time has vindicated Einstein — but it can also do so much more.<p>The first direct detection of gravitational waves …

200 million-year-old Jurassic dinosaur uncovered in Wales

A new carnivorous dinosaur species named Dracoraptor hanigani uncovered in the south of Wales is possibly the oldest known Jurassic dinosaur from the …

Paleontology

Evidence grows for giant planet on fringes of Solar System

Gravitational signature hints at massive object that orbits the Sun every 20,000 years.<p>A century after observatory founder Percival Lowell speculated …

A distant close-up: New Horizons' camera captures a wandering Kuiper Belt object

NASA's New Horizons spacecraft recently took the closest images ever of a distant Kuiper Belt object – demonstrating its ability to observe numerous …

Astronomy

Study differentiates facial growth in Neanderthals and modern humans

An international research team, led by Rodrigo Lacruz, PhD, assistant professor in the Department of Basic Science and Craniofacial Biology at New …

Humanity

Which came first—the sponge or the comb jelly?

Bristol study reaffirms classical view of early animal evolution. Whether sponges or comb jellies (also known as sea gooseberries) represent the …

Animals

Missing link between dinosaur nests and bird nests

The links between dinosaurs and birds keep getting stronger: skeletal structures, feathers—and now nests. Whereas some dinosaurs buried their eggs …

Paleontology

How the moon got its tilt—and Earth got its gold

Miniplanets zooming through our early solar system passed close to our moon and tugged it into the strange, tilted orbit it has today, according to a …

Astronomy

Fossil vertebrae reveal clues to evolution of long neck in giraffe

(Phys.org)—A trio of researchers with the New York Institute of Technology has pieced together the neck of the now extinct giraffe-like creature …

Paleontology

Study suggests fish can experience 'emotional fever'

(Phys.org)—A small team of researchers from the U.K. and Spain has found via lab study that at least one type of fish is capable of experiencing …

Royal Society

Martian moon set to form ring around red planet

In 20 million years, Phobos is likely to tear apart to form a ring system — as other moons may have done.<p>One day, Mars may have rings like Saturn …

How a dying star spreads its seed

During their death throes, as they are running out of fuel for the nuclear furnace in their cores, giant stars swell up to enormous size and eject …

Universe

Odd creature was ancient ancestor of today’s giraffes

A distant relative of today’s giraffes was a bit of an odd creature: It was about the size of a bull moose, but it had a long neck that could stretch …

Paleontology

Humans can outlearn chimps thanks to more flexible brain genetics

Compared with most other animals, chimpanzees are incredibly intelligent: They work with tools, communicate with complex vocalizations, and are good …

Evolution

Oldest DNA sequences may reveal secrets of ancient animal ancestors — University of Leicester

<b>Joint press release by University of Leicester and University of Warwick issued on 28 October 2015</b><p>700 million year-old DNA sequences from ancient …

Biology

Scientists plug into metal's role in the circuit of life

Molybdenum is an essential nutrient for most living species because it causes vital biochemical transformations to occur fast enough to sustain life. …

National Academy of Sciences

Icy volcanoes may dot Pluto's surface

New Horizons mission spots a pair of mountains with deep pits at their centres.<p>Two icy volcanoes may lurk near Pluto’s south pole, images from NASA’s …

Solar System

520-million-year-old arthropod brains turn paleontology on its head

Science has long dictated that brains don't fossilize, so when Nicholas Strausfeld co-authored the first ever report of a fossilized brain in a 2012 …

Paleontology

Genome sequencing project sheds light on origin of the date palm

They are as ubiquitous in the Arab world as camels and shifting sands, and its fruit is required eating at special occasions and during Muslim …

Middle East

Vitamin C kills tumor cells with hard-to-treat mutation

Maybe Linus Pauling was on to something after all. Decades ago the Nobel Prize–winning chemist was relegated to the fringes of medicine after …

Cancer

Three of Earth’s largest extinctions may have been caused by loss of essential element

Concentrations of selenium, a vital element for many organisms at the base of today’s ocean food chain, dropped substantially in seawater in advance …

Extinction

Rosetta sniffs oxygen around comet 67P

The presence of the gas could have implications for theories of the early Solar System.<p>Scientists have detected molecules of oxygen in the hazy halo …

X-rays uncover gut of 320-million-year-old-animal

The inner workings of a tiny fossil have been studied using X-ray microscopy, revealing evidence of the digestive system for the first time. …

Astronomers find disk of young stars near center of Milky Way

Astronomers have long thought that the bulge at the center of our Milky Way galaxy is populated with very old stars. But a survey of the area has …

Universe

The penis only evolved once, suggests study of reptile embryos

The adult tuatara reptile (<i>Sphenodon punctatus</i>, seen above) has no penis. But among amniotic animals—reptiles, birds, and mammals—that’s not even …

Biology

Fossils reveal ancient secrets of salamander ancestors' limb regrowth

However, the scientists studied limb regeneration in young newts (tadpoles). They found at this early stage tadpoles generate their limbs with …

Biology

Week's Best Space Pictures: Star Makes Waves and Apollo Shines

NASA captures a sonic boom with the sun, and a comet gets its close-up.<p>Feed your need for heavenly views of the universe. This week, <i>The Martian</i> movie gets a reality check, Pluto’s ghostly atmosphere glows, and unexplained waves ripple from a nearby star.

Snakes Use 'Leg Genes' to Make Phalluses

Snakes lack limbs, but new research finds that they still have DNA crucial to limb development lurking in their genomes. So, why keep that genetic …

Biology