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In weird Brazilian cave insects, male-female sex organs reversed

By Will Dunham WASHINGTON (Reuters) - This may be the role reversal to end all role reversals. That's why I was really surprised to see the structure," entomologist Kazunori Yoshizawa of Japan's Hokkaido University said by email. Yoshizawa said that although sex-role reversal has been documented in several different types of animals, these insects are the sole example in which the "intromittent

SpaceX rocket lifts off for space station cargo run

By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - An unmanned Falcon 9 rocket blasted off from Cape Canaveral Air Force Station in Florida on Friday to deliver a cargo capsule to the International Space Station for NASA. The 208-foot-tall (63-meter-tall) rocket, built and operated by privately owned Space Exploration Technologies, or SpaceX, bolted off its seaside launch pad at 3:25 p.m. EDT, dar

NASA robotic spacecraft ends mission with crash into the moon

By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - A robotic U.S. spacecraft ended a pioneering mission to map dust and gases around the moon with a planned, kamikaze crash into the lunar surface early on Friday, NASA officials said. The Lunar Atmosphere and Dust Environment Explorer, or LADEE, had been flying at increasingly lower altitudes to study how dust is lifted off the lunar surface and wh

In a cloning first, scientists create stem cells from adults

By Sharon Begley NEW YORK (Reuters) - Scientists have moved a step closer to the goal of creating stem cells perfectly matched to a patient's DNA in order to treat diseases, they announced on Thursday, creating patient-specific cell lines out of the skin cells of two adult men. The advance, described online in the journal Cell Stem Cell, is the first time researchers have achieved "therapeutic c

Scientists find Earth-sized world in orbit friendly to life

The discovery, announced on Thursday, is the closest scientists have come so far to finding a true Earth twin. The star's outermost planet, designated Kepler-186f, receives about one-third the radiation from its parent star as Earth gets from the sun, meaning that high noon on this world would be roughly akin to Earth an hour before sunset, said astronomer Thomas Barclay, with NASA's Ames Resear

Defining the 'Waters of the United States' (Op-Ed)

Greg Munson is the former General Counsel and Deputy Secretary at the Florida Department of Environmental Protection. The administration of U.S. President Barack Obama is changing a key provision in the Clean Water Act (CWA) rules, with widespread impacts expected around the country. On March 25, the U.S. Environmental Protection Agency (EPA) and the Army Corps of Engineers released a draft rule

Drug Shortages Threaten US Anti-TB Efforts (Op-Ed)

Shortages of essential medicines increasingly pose a challenge to healthcare in the United States, with the number of shortages nearly tripling from 2007 to 2012. The United States has been a global leader in its efforts to eliminate TB as a public health problem. The majority of TB programs across the United States have had difficulty accessing medicines to treat TB — as well as products to dia

Diagnosis: Broken Medical System. Cure: Complicated (Op-Ed)

Dr. Linda S. Ellis, M.D., M.J. (Health Law) is an associate professor in the department of medical sciences at the Frank H. Netter MD School of Medicine at Quinnipiac University. Twenty-five years ago, when I was applying to medical school, I'm fairly certain that joke was told differently. The once-venerable medical profession has taken quite a tumble from its pedestal, with the terms "untrustwor

'Cosmos' App Puts the Universe in Your Smartphone

Fox has a new app for space fans who need more than their weekly dose of "Cosmos." "Cosmos" fans can also peruse the app's production diaries, a history of the series and guides on the show's wide-ranging subjects, from atoms to evolution and Halley's comet to the human eye. "Cosmos: A Spacetime Odyssey," which is hosted by astrophysicist Neil deGrasse Tyson and premiered in March, is a reboot o

SpaceX Dragon Spacecraft Chasing Space Station for Easter Morning Rendezvous

A commercial cargo vessel is chasing down the International Space Station, setting up a rendezvous with the orbiting lab early on Easter Sunday (April 20). SpaceX's unmanned Dragon spacecraft launched into space Friday afternoon (April 18) from Florida's Cape Canaveral Air Force Station, riding a SpaceX Falcon 9 rocket to orbit in a smooth liftoff. Dragon is due to be grappled by the space stati

NASA Moon Probe Will Bite the Lunar Dust Soon: What It Taught Us

A NASA probe orbiting the moon will literally bite the lunar dust within the next week or so when it crashes into the moon's far side. LDEX has churned out large amounts of data about the moon's dust exosphere, Kempf said, and deepened insight into the physics of the phenomenon.

Scientists find Earth-sized world in orbit friendly to life

The discovery, announced on Thursday, is the closest scientists have come so far to finding a true Earth twin. The star’s outermost planet, designated Kepler-186f, receives about one-third the radiation from its parent star as Earth gets from the sun, meaning that high noon on this world would be roughly akin to Earth an hour before sunset, said astronomer Thomas Barclay, with NASA’s Ames Resear

Scientists discover first Earth-sized planet that could support life

For the first time, scientists have discovered an Earth-sized alien planet in the habitable zone of its host star, an "Earth cousin" that just might have liquid water and the right conditions for life. The newfound planet, called Kepler-186f, was first spotted by NASA's Kepler space telescope and circles a dim red dwarf star about 490 light-years from Earth. "One of the things we've been looking

Jaws, the prequel: Scientists find the 'Model T Ford' of sharks

By Will Dunham WASHINGTON (Reuters) - You've heard of the Model T Ford, the famed early 20th-century automobile that was the forerunner of the modern car. Scientists on Wednesday announced the discovery of the impeccably preserved fossilized remains of a shark that lived 325 million years ago in what is now Arkansas, complete with a series of cartilage arches that supported its gills and jaws. Bec

Oh baby: Scientists find protein that lets egg and sperm hook up

If you really want to learn how babies are made, you need to know about Juno and Izumo. Fertilization takes place when an egg cell and a sperm cell recognize one another and fuse to form an embryo. Researchers said on Wednesday they have identified a protein on the egg cell's surface that interacts with another protein on the surface of a sperm cell, allowing the two cells to join. This protein,

Watch Live: Scientists Explore a Mysterious Deep-Sea World

This month, you can fly along the Gulf of Mexico seafloor and explore a strange ecosystem fueled by chemicals instead of sunlight, all from your computer. The journey to the deep sea comes courtesy of a remotely operated vehicle and camera sled that will send back live video to the Okeanos Explorer, the National Oceanic and Atmospheric Administration's research vessel. Scientists aboard the Okea

Chilean Port City Fire Seen from Space (Photo)

Strong winds brought a forest fire into this port city of 280,000 over the weekend, NASA's Earth Observatory reports. An instrument on NASA's Terra satellite captured this snapshot of smoke from Valparaiso at 11:10 a.m. local time on Sunday (April 13). "One of the things that keeps coming out of my studies is that fire frequency tends to be highest when there's low to medium housing density and

'Clever Editing' Warps Scientists' Words in New Geocentrism Film

Four prominent cosmologists say they were misquoted in a documentary trailer promoting a claim debunked more than 450 years ago: that the Earth is in a privileged spot in the universe. Co-producer Robert Sungenis did not respond to multiple interview requests from Live Science. His trailer received universal ridicule among scientists interviewed for this story, including Lawrence Krauss, who was

Hipster Science: Women Prefer Men With Facial Hair

The popularity of weird beards and mustaches among young men living in Brooklyn, N.Y., may be more than just a hipster fad. According to a new study, women and men find facial hair most attractive when it is rare. When shown men's faces, men and women study participants consistently rated the faces with beards or stubble as more attractive than clean-shaven faces. But beards were most alluring w

Elusive 'Exotic Hadron' Particles Confirmed

The existence of exotic hadrons — a type of matter that doesn't fit within the traditional model of particle physics — has now been confirmed, scientists say. Researchers working on the Large Hadron Collider beauty (LHCb) collaboration at CERN (the European Organization for Nuclear Research) in Switzerland — where the elusive Higgs boson particle was discovered in 2012 — announced today (April 1

Step up action to curb global warming, or risks rise - UN

By Alister Doyle, Environment Correspondent BERLIN (Reuters) - A United Nations report said on Sunday that governments must act faster to keep global warming in check and delays until 2030 could force them to use little-tested technologies to extract greenhouse gases from the air. The study, drawing on work by more than 1,000 experts, said a radical shift from fossil fuels to low-carbon energy s

Step up action to curb global warming, or risks rise: U.N.

By Alister Doyle, Environment Correspondent BERLIN (Reuters) - A United Nations report said on Sunday that governments must act faster to slow global warming and delays until 2030 could force reliance on little-tested technologies to extract greenhouse gases from the air. The study, drawing on work by more than 1,000 experts, said a radical shift from conventional fossil fuels to low-carbon ener

Act fast to curb global warming, or extract CO2 from air - U.N.

By Alister Doyle, Environment Correspondent BERLIN (Reuters) - Faster action is needed to keep global warming to agreed limits and delays until 2030 could force reliance on technologies to extract greenhouse gases from the air, a U.N. report said on Sunday. The study, drawing on the work of more than 1,000 experts, said a shift from fossil fuels to low-carbon energy such as wind, solar or nuclea

UN climate report balances science and politics

BERLIN (AP) — After racing against the clock in an all-night session, the U.N.'s expert panel on climate change was putting the final touches Saturday on a scientific guide to help governments, industries and regular people take action to stop global warming from reaching dangerous levels.

Scientists grow viable vaginas from girls' own cells

By Julie Steenhuysen CHICAGO (Reuters) - Four young women born with abnormal or missing vaginas were implanted with lab-grown versions made from their own cells, the latest success in creating replacement organs that have so far included tracheas, bladders and urethras. Follow-up tests show the new vaginas are indistinguishable from the women's own tissue and have grown in size as the young wome

'Jesus's Wife' papyrus fragment not a forgery, scientists say

Scientists who examined a controversial fragment of papyrus written in Egyptian Coptic in which Jesus speaks of his wife concluded in papers published on Thursday that the papyrus and ink are probably ancient and not a modern forgery. The existence of the fragment, known as the "Gospel of Jesus's Wife," was made public at an academic conference in 2012. It is seen by some as a glimpse of how anc

Science Guy Bill Nye Explores Life's Meaning in 5 Minutes (VIDEO)

Brian Dyak is president, CEO and co-founder of the Entertainment Industries Council (EIC) and executive producer of EICnetwork.tv. While most of us remember his familiar character from our youthful classroom activities and childhood television favorites, Nye, a former mechanical engineer, continues to capture our hearts and minds with his insights into the science and technology world. In his in

College Students to Spark Zero-Gravity Fires for Science This Week

"We're trying to create some new knowledge," said Sam Avery, an aerospace engineering undergraduate at the University of California, San Diego, who is leading a team of flyers to NASA's Johnson Space Center. "[On Earth] the convective flow basically speeds up the combustion process and makes it so that you can't get an actual burning rate for your fuel," Avery told Space.com. In two separate fli

UK scientists make body parts in lab

LONDON (AP) — In a north London hospital, scientists are growing noses, ears and blood vessels in the laboratory in a bold attempt to make body parts using stem cells.

Scientists regenerate immune organ in mice

By Kate Kelland LONDON (Reuters) - British scientists have for the first time used regenerative medicine to fully restore an organ in a living animal, a discovery they say may pave the way for similar techniques to be used in humans in future. The University of Edinburgh team rebuilt the thymus - an organ central to the immune system and found in front of the heart - of very old mice by reactivati


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