Navigation Links

Tag: "eggs" at biology news

Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

...moke on male mice as well the possibility that the eggs of females are affected by smoke....

Studies to find better ways to preserve human eggs, ovarian tissue under way

...east in blood vessels. “Now we want to try this on eggs and ovarian tissue and see if we can develop a rob...ing methods to stimulate ovarian tissue to produce eggs outside the body, a process that could also make in vitro fertilization a lot more affordable. Other...

Study shows lizard moms dress their children for success

...ve an extra dose of the hormone estradiol to their eggs in certain social circumstances. The extra hormone... Lancaster began by treating side-blotched lizard eggs with an array of different hormones. That revealed a striking influence of estradiol on back pattern...

Amphibians in losing race with environmental change

...permeable skin, live on both land and water, their eggs have no shells. In the face of these challenges.... Examples include: Many amphibians lay their eggs in shallow, open water in direct sunlight to provide a more oxygenated environment, increase growth ...

Parasites' impact goes beyond host to affect ecosystem

...g infected fish, then in their feces excreting the eggs of C. lingua, which are in turn eaten by the snails. "The parasite’s life cycle is a really amazing strategy for an organism that doesn’t have a brain," says Byers, who predicts that anywhere gulls are prevalent, the C. lingua trematode would also...

Asexual worm quickly adapts to soil contamination

...ms from contaminated soil live longer and lay more eggs under polluted conditions than the worms from unpo...n the contaminated culturing medium they laid more eggs and lived for longer than the nematodes from the clean soil. Asexual The rapid adaptation to...

Scientists seek useful traits in wild cottons

...y inflict on cotton fruit and their ability to lay eggs for another generation are good indicators of Lygus resistance, said Sheehan, who hopes to intensify her experiment in 2007. Raina King, a Texas Tech University graduate student, is working to develop 'cleaner' cottons that shed the small le...

Hives ferment a yeasty brew, attract beetle pest

...umlinson. "If they can stop the beetles and remove eggs in the hive, the hive recovers." Honeybees are of major economic importance in agriculture as the major pollinating force for much orchard fruit and vegetables. Many of these fruits and vegetables will not produce without honeybees. The small hive ...

Rare soft-shell turtle, nesting ground found in Cambodia

... a nesting ground for the species and brought back eggs that have since hatched. The hatchlings were released into the wild on May 8, together with another adult turtle and additional hatchlings captured by fishermen and handed over to the conservation team. Last observed by scientists in the wild in C...

Bypassing eggs, flu vaccine grown in insect cells shows promise

...nal of the American Medical Association. Removing eggs from the flu vaccine manufacturing process is one ...lu as well as a potential bird-flu pandemic. Using eggs to grow vaccine takes time; a flu vaccine that relies on a different technology is capable of being ...

Smithsonian scientists discover new marine species in eastern Pacific

...often overlooked because they are smaller than the eggs themselves. "All the tedious dissections and microscope preparations done on a rolling, vibrating ship have really paid off," Norenburg said. One of the unique features of the islands off the coast of Panama is that they host animals that normally ...

NIAID DNA vaccine for H5N1 avian influenza enters human trial

... developed by growing the influenza virus in hens' eggs and then administered as a weakened or killed form of the virus, DNA-based vaccines contain only portions of the influenza virus' genetic material. Once inside the body, the DNA instructs human cells to make proteins that act as a vaccine against the...

Researchers find gene mutation that causes infertility in male mice

...n are born with fewer egg cells and can run out of eggs prematurely -- resulting in early menopause (or "mousapause" as the researchers humorously refer to the condition). To get their results, the researchers randomly induced mutations in the mouse genome and then looked for infertility in the resultin...

Manipulating nature: Scientists query wildlife birth-control method

...ive process. The antibodies can act against sperm, eggs or reproductive hormones, which prevent either fertilization or the production of sperm and ova. Proponents of the technique, which was first tested nearly 20 years ago, regard it as more humane than the conventional methods of controlling wildli...

Wheat can fatally starve insect predators

...e wheat plant's development. The adult fly lays eggs on the plant leaves. After the eggs hatch, the resulting tiny, red larvae crawl down to the base of the wheat where they feed on the pla...

Post oak grasshoppers emerging

...d from early May to mid-June the females lay their eggs in the soil. A female typically lays five to six eggs at a time in a pod, and will produce two to four pods over her lifetime. In the spring, when post oa...

Biologists prove critical step in membrane fusion

...are experts in fertilization; they used sea urchin eggs to study membrane fusion. In urchin eggs, thousands of membrane-bound vesicles are attached to the plasma membrane. Within seconds after fertilization, the contents of these vesicles are rapidly released. Previous research has shown that special prot...

Penn researchers replace organ in adult mice using 'single-parent' stem cells

...bryonic stem cells - created from a single donor's eggs or two sperm - and, for the first time, successfully used them to repopulate a damaged organ with healthy cells in adult mice. Their findings demonstrate that single-parent stem cells can proliferate normally in an adult organ and could provide a l...

No sex for 40 million years? No problem

...These tiny asexual creatures multiply by producing eggs that are genetic clones of the mother ?there are no males. Fossil records and molecular data show that bdelloid rotifers have been around for over 40 million years without sexually reproducing, and yet this new study has shown that they have evolved ...

Long-lived deep-sea fishes imperiled by technology, overfishing

...nd oreos, an individual fish produces thousands of eggs ?most of which die through predation or starvation. "One of the things we need to know more about is how the fish larvae get transported," Heppell said. "We don't know whether fish from different seamounts are genetically distinct or whether larva...

1 2 3 4 5 6 7

Other Tags
(Date:7/10/2014)... 30, 2014  Aware, Inc. (NASDAQ: AWRE ... previously announced on June 26, 2014 that its Board ... $1.75 per share, or approximately $40 million in total.  ... 2014 and a payment date of July 24, 2014.  ... had set an ex-dividend date for this special cash ...
(Date:7/10/2014)... July 3, 2014 According to ... Type (Swipe And Area), Material (Optical Prism, Pizeoelectric, Capacitive, ... Security and Banking & Finance), and Geography - Global ... MarketsandMarkets, the global Fingerprint Sensors Market is projected to ... CAGR of 16.8% from 2014 to 2020. ...
(Date:7/10/2014)... 2014  Acuity Market Intelligence today released forecasts from "The ... that the global market for National Electronic ID (eID) programs ... During this time, the number of National eID cards in ... Asia , with its vast population, will dominate ... issued, while Europe trails a distant ...
Breaking Biology News(10 mins):NASDAQ Sets Ex-Dividend Date for Aware, Inc.'s Special Cash Dividend of $1.75 Per Share 2Fingerprint Sensors Market worth $14.35 Billion by 2020 2Fingerprint Sensors Market worth $14.35 Billion by 2020 3National Electronic ID Programs Generate $54 Billion Between 2013 and 2018 with 3.5 Billion National eID Card Holders Worldwide 2
(Date:7/11/2014)... Europe is one of the largest ... hence, irrigated land area. The agricultural sector is a ... around 30.0% of the total water use. The scale ... southern region, but far from negligible in most northern ... over 60.0% of the water use in most countries, ...
(Date:7/11/2014)... are insoluble colorants, which usually consist of inorganic compounds. ... and coloring. These are water and oil insoluble natural ... as paper, paints, plastics, and concrete. Binders are used ... to the substance. Some examples of pigments are titanium ... coloring action of pigments is due to the scattering ...
(Date:7/11/2014)... best available treatment for patients, from a range of ... taxpayers than the existing clinical trial process, a new ... out while he was a member of the Clinical ... at The University of Manchester,s Health eResearch Centre, published ... today (Friday 11 July) looked at the use of ...
(Date:7/11/2014)... (PRWEB) July 11, 2014 Experience Mayan ... Mayan Heritage Experience Package at the luxury all-inclusive AAA ... package include a guided on-site ecological family tour where ... as The Coba Mayan Encounter Tour at the Mayan ... Muul, the tallest pyramid in the Yucatan and the ...
(Date:7/11/2014)... 2014 WWTrek Human Outreach Project ... Community in Tanzania. Opened in 2012, the KKC is now ... cows. HOP Founder, Dean Cardinale, started the KKC to create ... orphaned children he encountered while running treks on Tanzania's Mount ... who have all made astounding progress in school over the ...
Breaking Medicine News(10 mins):Health News:Europe Micro Irrigation System Market Driven by Growing Environmental Concerns and Decreasing Water Availability - New Report by MicroMarket Monitor 2Health News:Europe Micro Irrigation System Market Driven by Growing Environmental Concerns and Decreasing Water Availability - New Report by MicroMarket Monitor 3Health News:Americas Pigments Market Worth 1,099 Thousand MT by 2018 - New Report by MicroMarket Monitor 2Health News:Americas Pigments Market Worth 1,099 Thousand MT by 2018 - New Report by MicroMarket Monitor 3Health News:Better use of electronic health records makes clinical trials less expensive 2Health News:Explore the Aura and Mystery of the Yucatan’s Mayan Culture with New Hotel Package at AAA Five Diamond Grand Velas Riviera Maya 2Health News:Explore the Aura and Mystery of the Yucatan’s Mayan Culture with New Hotel Package at AAA Five Diamond Grand Velas Riviera Maya 3Health News:Human Outreach Project Sees Incredible Progress in the Kilimanjaro Kids Community 2
Other Contents