News

Study Shows Mitochondrial DNA Can Be Passed Through Fathers

Mitochondrial DNA is the small circular chromosome found inside mitochondria, which are organelles found in cells and sites of energy production. Image credit: Darryl Leja, NHGRI.
Nov 29, 2018 by The Conversation

Some things you learn in school turn out not to be true, for example that there are just five senses or three states of matter. Now cutting-edge research has added to the list by proving the mitochondria (the power sources in our cells) comes from both our parents and not — as biology students are taught — just from our mothers. Mitochondrial DNA is the small circular chromosome found inside mitochondria, which are organelles found in...

read more...
This is a digitally-colorized transmission electron microscopic (TEM) image of the West Nile virus. Image credit: Cynthia Goldsmith / P.E. Rollin / CDC.

Newly Discovered Human Monoclonal Antibody Protects Mice from West Nile Virus

Nov 29, 2018 by News Staff

A research team led by Vanderbilt University Medical Center scientists has isolated a human monoclonal antibody that can ‘neutralize’ the West Nile...

Agricultural fires in modern-day Pakistan and India. Image credit: NASA’s Goddard Space Flight Center/ Lynn Jenner / Jeff Schmaltz, MODIS Rapid Response Team.

Wildfires Played Crucial Role in Miocene Expansion of Grasslands

Nov 28, 2018 by News Staff

New research from Penn State and Smithsonian Institute links a large rise in wildfires nearly 10 million years ago (Miocene epoch) with a major shift in...

This is the adult stage of the parasitoid wasp Zatypota sp.nov. Image credit: Philippe Fernandez-Fournier.

New Species of Parasitoid Wasp from Ecuador Turns Social Spiders into Zombies

Nov 28, 2018 by News Staff

Deep in the Ecuadorian Amazon, a newly-identified species of the parasitoid wasp genus Zatypota transforms Anelosimus eximius, one of only about 25 species...

An artist’s impression of Elasmotherium sp. Image credit: W. S. Van der Merwe, www.deviantart.com/willemsvdmerw.

Giant Siberian Rhinoceros Lived alongside Early Modern Humans

Nov 28, 2018 by News Staff

For a long time it was believed that a giant rhinoceros called Elasmotherium sibericum went extinct around 200,000 years ago — well before the...

The lesser superb bird-of-paradise (Lophorina minor). Image credit: William Matthew Hart.

Among Birds-of-Paradise, Stunning Plumage Is Not Enough to Attract Mates

Nov 28, 2018 by News Staff

Birds-of-paradise are a family of small to medium-sized forest birds found in the New Guinea region. These birds are among the most beautiful creatures...

The study by Yuan et al supports a long-term beneficial role of vegetable, fruit, and orange juice consumption on cognitive function. Image credit: Silvia Rita.

Long-Term Consumption of Vegetables, Fruits and Orange Juice May Reduce Memory Loss in Men

Nov 28, 2018 by News Staff

Vegetable, fruit, and orange juice consumption may be associated with a lower risk of memory loss in men, according to a new study from the Harvard T.H....

When it comes to meal times, giraffes have been found to be just like humans and prefer the company of their friends.

Study: Giraffes Prefer to Forage with Friends

Nov 27, 2018 by News Staff

While already known that giraffes display preferred choices of companion within their social group, until now it has not been clear what drives these and...

Lisowicia bojani. Image credit: Dmitry Bogdanov / CC BY 3.0.

Elephant-Sized Dicynodont from Triassic Period Discovered: Lisowicia bojani

Nov 27, 2018 by Enrico de Lazaro

Paleontologists in Poland have found fossil fragments from a giant new species of mammal-like reptile that walked the Earth approximately 237 million years...

InSight Successfully Lands on Mars, Sends First Images

Nov 27, 2018 by News Staff

After an almost seven-month, 300-million-mile (458 million km) journey from Earth, NASA’s InSight lander successfully touched down Monday, November 26,...

An artist’s impression of the hot-Jupiter HD 2685b. Image credit: Sci-News.com.

NASA’s TESS Spacecraft Discovers New Hot Jupiter: HD 2685b

Nov 27, 2018 by Natali Anderson

Astronomers using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a hot-Jupiter exoplanet orbiting the early F-type star...

Tobacco package stimuli: neutral (left) and negative (right) social cues. Image credit: Jennifer Jeffrey & Matthew Thomson, doi: 10.1111/joca.12232.

Negative Social Cues on Tobacco Packaging May Encourage Smokers Quit

Nov 27, 2018 by News Staff

A new study by Western University, Canada, supports the notion that tobacco packaging which conveys to smokers that ‘others’ view smoking negatively...

This image shows the HCG 98 group. The core of HCG 98 consists of the two ‘smudges’ at the center of the image. Each is a galaxy much like our own Milky Way Galaxy. The tadpole structure covers the central galaxy pair and was formed when the pair demolished a much smaller galaxy. Image credit: Brosch et al, doi: 10.1093/mnras/sty2717.

Astronomers Find Enormous Relic of Disrupted Tadpole Galaxy

Nov 26, 2018 by News Staff

The disrupted ‘tadpole’ galaxy has an elliptical head and a long, straight tail, and is approximately one million light-years long — about 10...

This is an illustration showing a simulated view of NASA’s InSight lander about to land on the surface of Mars. Image credit: NASA / JPL-Caltech.

InSight Landing on Mars: Watch Live

Nov 26, 2018 by News Staff

NASA’s Mars Interior Exploration using Seismic Investigations, Geodesy and Heat Transport (InSight) lander is scheduled to touch down on the Red Planet...

The cellular compartment of the tumor microenvironment is made up of tumor cells, immune cells, and stromal cells. Image credit: National Cancer Institute.

Oncolytic Virus Developed that Targets Cancer Cells and Associated Stromal Cells

Nov 26, 2018 by Sam Sander Effron

Researchers from the University of Oxford and PsiOxus Therapeutics have successfully adapted an oncolytic adenovirus that specifically kills cancer cells,...

This Hubble image shows a supernova remnant called SNR 0454-67.2. The color image was made from separate exposures taken in the visible region of the spectrum with Hubble’s Wide Field Camera 3 (WFC3). Four filters were used to sample various wavelengths. The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: NASA / ESA / Hubble.

Hubble Sees Tangled Web in Large Magellanic Cloud

Nov 26, 2018 by Enrico de Lazaro

These threads of red snaking amidst dark, turbulent clouds make up a cosmic object known as SNR 0454-67.2. This tangled web is actually the remnants from...

Toxic amyloid plaques (red) and tau tangles (brown) form on the brain of a mouse modeled to have Alzheimer’s disease. Image credit: University of Texas Southwestern.

New DNA Vaccine Reduces Aggregation and Accumulation of Two Alzheimer’s-Associated Proteins

Nov 26, 2018 by News Staff

Alzheimer’s disease is the most well-known and most common type of age-related dementia. Amyloid plaques and tau tangles are both pathological hallmarks...

The endorestiform nucleus is found near the brain-spinal cord junction. Image credit: George Paxinos, Neuroscience Research Australia.

Australian Neuroscientist Discovers Hidden Region in Human Brain: Endorestiform Nucleus

Nov 23, 2018 by News Staff

Professor George Paxinos from Neuroscience Research Australia has discovered a hidden region of the human brain. The endorestiform nucleus is found near...

An artist’s impression of the HR 8799 planetary system. Image credit: W. M. Keck Observatory / Adam Makarenko / C. Alvarez.

Astronomers Confirm Water on Young Gas Giant HR 8799c

Nov 23, 2018 by News Staff

Astronomers using the Near-Infrared Spectrograph (NIRSPEC) on the Keck II telescope at the W. M. Keck Observatory have confirmed the existence of water...

Dr. Noel and Dr. Hu discover structures on the cat tongue, hollow spines that they call cavo papillae, shared across six species of cats. Image credit: Pavel Kessa.

Spiny Tongues Help Cats Keep Cool, Says New Study

Nov 23, 2018 by News Staff

The cat tongue is covered in sharp, rear-facing spines called papillae, the precise function of which is a mystery. In a combined experimental and theoretical...

© 2011-2026. Sci.News. All Rights Reserved. | Back to top