Genetic diversity in honeybee colonies boosts productivity
... are noteworthy considering colonies had similarly sized worker populations when they were first formed," said Mattila. "Undoubtedly, our results reveal enormous benefits of genetic diversity for the productivity of honeybee colonies." For example, the researchers found that bees in the genetically diverse...The UAB heads a European research project on proteases and pathological processes
...oups from different universities, small and medium sized enterprises, and a large pharmaceutical company. Although under UAB coordination, six other collaborating centres from Germany, Switzerland, Slovenia, United Kingdom and Denmark also work on the project. CAMP forms part of the European Union's Specif...New medical implants should react with the body, not seek to be inert
... take the form of materials made with specifically sized pores that encourage small blood vessels to actively grow through the implant, or implants coated with DNA that specifically prevents formation of the collagenous capsule. Both of these let the implant and the body actively work together, rather th...Marine worm opens new window on early cell development
...f asymmetric cell divisions generating differently sized embryonic cells. Platynereis dumerilii, the researchers wrote, appears to have retained ancestral morphological and genomic features, including a slowly evolving protein complement, and, therefore, can be considered a living fossil. Our studies of ...Researchers track how spores break out of dormant state
...to a solution that triggers germination, nanometer sized etch pits were seen developing in the rodlet layer. These etch pits evolved into ever widening fissures, leaving narrow strips of remaining rodlet structure. In the end, 1- to 3- nm-wide fibrils remained. The in vitro AFM imaging also revealed the po...2nd International EuroFIR Congress
...versities, research institutes and small-to-medium sized enterprises (SMEs) from 25 European countries. EuroFIR will provide the first comprehensive pan-European food information resource, using state-of-the-art database linking, to allow effective management, updating, extending and comparability. This is...Magnetic computer sensors may help study biomolecules
... in force, and the particles need to be micrometer sized or larger. Existing magnetic tweezers can trap smaller particles and apply torque, but typically require permanent immobilization of biomolecules, which is time consuming and prevents subsequent analysis. ...Cooperative science program yields results
...slots placed in the side of the trawl while market sized cod would still be retained. A preliminary design used slot panels made from fiberglass rods, but fishermen thought these rods were too rigid to be wound on a net reel. Instead, they suggested using electrical cable known as "third wire" that is ...3.2 billion-year-old surprise: Earth had strong magnetic field
...n tiny crystals like feldspar and quartznano-meter sized magnetic inclusions that lock in a record of the Earths magnetic field as they cool from molten magma to hard rock. Simply finding rocks of this age is difficult enough, but these rocks have also witnessed billions of years of geological activity tha...Despite their heft, many dinosaurs had surprisingly tiny genomes
...Stegosaurus and Triceratops -- had more moderately sized genomes, akin to those of living lizards and crocodilians. We aren't sure about the genomes of the long-necked sauropods yet." Organ and Edwards say the clear-cut dichotomy in dinosaur genomes is likely due to different amounts of repetitive and no...Plant size morphs dramatically as scientists tinker with outer layer
...hormones in the epidermis, and found that a normal sized plant shrunk into a dwarf. "These are simple experiments, but it took 10 years of work in order for us to be able to ask this question," Chory says. "A second remarkable finding from the study is that "cells in the outer layer talk to the cells in ...Scientists discover new species of distinctive cloud-forest rodent
...species of mammals and birds than any equivalently sized area in the world. "Like other tropical mountain ranges, such as the Himalayas, Ruwenzoris, Virungas and Kinabalu, the Andes support a fantastic variety of habitats," said Bruce Patterson, MacArthur Curator of Mammals at The Field Museum. "These in ...Contrary to common wisdom, scientist discovers some mammals can smell objects under water
...e same rate as the sniffing behavior of comparably sized land mammals, like rats and mice. "Rats and mice don't sniff the way we do," Catania said. "They push air 'out-in out-in' in a fashion strikingly similar to what the star-nosed mole is doing, except that it is doing it under water." Catania mounted a...Jefferson researchers develop combined procedure for uterine preservation in treating fibroids
...kin incision. After the UFE, her initially 38-week sized uterus had decreased to a 34-week size, with decreased blood flow. Eleven large fibroids were removed during the myomectomy, with minimal blood loss. The patient was discharged from the hospital on the second day post-surgery and experienced no compl...Varying weight training intensity increases growth hormone in women
...ne with weight training. In this study, the larger sized growth hormone variants appear to increase with heavy resistance training. "This study shows that not every form of growth hormone responds in the same way, but is dependent upon the exercise protocol," Kraemer explained. "This may forever change t...Humpback whales have brain cells also found in humans
...s take place, was similar in complexity to smaller sized cetaceans such as dolphins. The large area of cortex found in these mammals is thought to be related to acoustic capabilities and the current study shows that it is organized into a system of core and belt regions. However, substantial variability wa...'Nymph of the sea' reveals remarkable brood
... Leicester, said : "Ostracods are common, pin-head sized crustaceans known from thousands of living species in garden ponds to oceans and from countless fossil shells up to 500 million years old; however, their fossilized soft-parts are exceedingly rare. "Supposed examples of fossil invertebrate eggs are ...Taking 'chips' to the next level of gene hunting
...ons in people. The new TIP-chip contains evenly sized fragments of the yeast genome arrayed in dots left to right in the same order as they appear on the chromosome. Boeke's team used the one-celled yeast genome as starting material because, unlike the human genome, which contains hundreds of thousands ......ales: on one side they observed the 100 nanometers sized fibres, and on the other, the crystallites embedded inside the fibre, which are not bigger than 2 to 4 nanometers. The critical sample preparation was developed by Max Planck researchers, which made it possible to isolate tissue in bone of about 100-...Home, home on the range: How much space does an animal really need?
... Darwin's time. But while explaining why different sized species need different amounts of space is relatively easy, a study from the October issue of The American Naturalist tackles a much more complex question: what determines differences in home range size among individuals of one species? Luca Brger ...