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  • Sieving for genes: Developmental regulation of important plant phloem components discovered

    1 August 2014, 9:30 am

    Sieve elements are a key component of phloem, the conductive tissue through which plants transport carbohydrates and a wide range of signalling molecules. Elongated cylindrical cells are capped at one end by a sieve plate and arranged end-to-end to form sieve…
  • For stable flight, fruit flies sense every wing beat

    1 August 2014, 8:30 am

    In order to stabilize their flight, fruit flies sense the orientation of their bodies every time they beat their wings – one beat about every 4 milliseconds.
  • Ecosystems can have their fish, and we can eat them too

    1 August 2014, 7:50 am

    Tighter bag limits for fishermen have been identified as an important key to ocean ecosystem conservation.
  • Ten things to know about invasive fire ants on the march

    1 August 2014, 7:20 am

    Heading for a summer picnic or hike, or just out to mow your lawn? In the U.S. Southeast and beyond, you might want to watch where you walk.
  • Finding long-term links between weather and cattle production

    1 August 2014, 7:15 am

    Decades of data kept by U.S. Department of Agriculture (USDA) scientists are providing valuable information about how seasonal weather patterns affect cattle production.
  • Researchers discover universal molecular 'flag' that highlights critical genes

    1 August 2014, 7:00 am

    After probing more than 200 genetic data sets, researchers at the Stanford University School of Medicine have identified a molecular flag that labels genes critical to a cell's function.
  • No walk in the park for S. Africa's embattled game rangers

    1 August 2014, 4:10 am

    The game ranger with a rifle slung across his shoulders follows a bush trail through South Africa's famed Kruger national park, alert to the slightest sound or movement.
  • Invasive lionfish likely safe to eat after all

    1 August 2014, 2:50 am

    Scientists have learned that recent fears of invasive lionfish causing fish poisoning may be unfounded. If so, current efforts to control lionfish by fishing derbies and targeted fisheries may remain the best way to control the invasion. And there's a simple…
  • Study of bigeye tuna in Northwest Atlantic uses new tracking methods

    1 August 2014, 2:40 am

    A first-of-its-kind study of bigeye tuna movements in the northwestern Atlantic Ocean led by Molly Lutcavage, director of the Large Pelagics Research Center at the University of Massachusetts Amherst, found among other things that these fish cover a wide…
  • For bats and dolphins, hearing gene prestin adapted for echolocation

    1 August 2014, 2:28 am

    A little over a decade ago, prestin was found to be a key gene responsible for hearing in mammals. Prestin makes a protein found in the hair cells of the inner ear that contracts and expands rapidly to transmit signals that help the cochlea, like an antique…
  • Molecular gate that could keep cancer cells locked up

    31 July 2014, 5:20 pm

    In a study published today in Genes & Development, Dr Christian Speck from the MRC Clinical Sciences Centre's DNA Replication group, in collaboration with Brookhaven National Laboratory (BNL), New York, reveal the intricate mechanisms involved in the enzyme…
  • New study advances 'DNA revolution,' tells butterflies' evolutionary history

    31 July 2014, 3:47 pm

    By tracing nearly 3,000 genes to the earliest common ancestor of butterflies and moths, University of Florida scientists have created an extensive "Tree of Lepidoptera" in the first study to use large-scale, next-generation DNA sequencing.
  • Man 'expelled from Croatia for punching monk seal'

    31 July 2014, 2:10 pm

    A man has been fined and expelled from Croatia after he punched a Mediterranean monk seal, one of the world's most endangered species, reports said on Thursday.
  • A mathematical theory proposed by Alan Turing in 1952 can explain the formation of fingers

    31 July 2014, 2:00 pm

    Alan Turing, the British mathematician (1912-1954), is famous for a number of breakthroughs, which altered the course of the 20th century. In 1936 he published a paper, which laid the foundation of computer science, providing the first formal concept of a…
  • The 'memory' of starvation is in your genes

    31 July 2014, 1:50 pm

    During the winter of 1944, the Nazis blocked food supplies to the western Netherlands, creating a period of widespread famine and devastation. The impact of starvation on expectant mothers produced one of the first known epigenetic "experiments"—changes…
  • Oldest rove beetle in the Omaliini tribe found in French amber

    31 July 2014, 12:58 pm

    An international team of scientists from Spain, France, and the U.S. has discovered and described a rove beetle that is the oldest definitive member of the tribe Omaliini that has ever been found in amber. The discovery and description were made possible…
  • Brother of Hibiscus is found alive and well on Maui

    31 July 2014, 10:40 am

    Most people are familiar with Hibiscus flowers- they are an iconic symbol of tropical resorts worldwide where they are commonly planted in the landscape. Some, like Hawaii's State Flower- Hibiscus brackenridgei- are endangered species.
  • Why do snakes flick their tongues?

    31 July 2014, 8:30 am

    Many people think a snake's forked tongue is creepy. Every so often, the snake waves it around rapidly, then retracts it. Theories explaining the forked tongues of snakes have been around for thousands of years. Aristotle reasoned that it provided snakes with…
  • Boat noise impacts development and survival of sea hares

    31 July 2014, 8:30 am

    While previous studies have shown that marine noise can affect animal movement and communication, with unknown ecological consequences, scientists from the Universities of Bristol and Exeter and the École Pratique des Hautes Études (EPHE) CRIOBE in France…
  • Researchers find selective eaters less likely to be eaten

    31 July 2014, 8:26 am

    New research has found that dietary specialization among herbivores, specifically caterpillars, indicates whether or not they are better able to hide themselves from predators such as birds. The research suggests those herbivores who dine on a wide variety of…
  • 'Little janitor' merits attention in Florida springs' health debate, research shows

    31 July 2014, 7:37 am

    A small, slow moving resident who enjoys a vegetative diet and keeps things tidy may be the overlooked player in public debates over Florida's ailing freshwater springs, University of Florida researchers say.
  • Bees able to spot which flowers offer best rewards before landing

    30 July 2014, 6:00 pm

    Bumblebees are able to connect differences in pollen quality with floral features, like petal colour, and so land only on the flowers that offer the best rewards, according to a new study by researchers at the University of Exeter.
  • Thai Airways bans shark fin from cargo flights

    30 July 2014, 4:21 pm

    Thai Airways has banned shark fin from its cargo flights as part of a growing global campaign against the popular delicacy in Asia.
  • Classic Lewis Carroll character inspires new ecological model

    30 July 2014, 3:57 pm

    Inspired by the Red Queen in Lewis Carroll's Through the Looking Glass, collaborators from the University of Illinois and National University of Singapore improved a 35-year-old ecology model to better understand how species evolve over decades to millions of…
  • When cooperation counts: Researchers find sperm benefit from grouping together in mice

    30 July 2014, 3:20 pm

    Everybody knows the shortest distance between two points is a straight line, and now Harvard researchers have evidence that sperm have been taking the familiar axiom to heart.
  • Vocal variety in African penguins: Four basic vocalizations used for adult communication, two more…

    30 July 2014, 3:10 pm

    Adult African penguins communicate using four different vocalizations and juveniles and chicks use two begging calls to request food, according to a study published July 30, 2014 in the open-access journal PLOS ONE by Livio Favaro and colleagues from…
  • Man finds calico lobster, gives it to aquarium

    30 July 2014, 2:48 pm

    (AP)—A fisherman has caught a rare lobster that's bright orange with dark blue spots.
  • Deep-sea octopus broods eggs for over 4 years—longer than any known animal

    30 July 2014, 2:46 pm

    Researchers at the Monterey Bay Aquarium Research Institute (MBARI) have observed a deep-sea octopus brooding its eggs for four and one half years—longer than any other known animal. Throughout this time, the female kept the eggs clean and guarded them from…
  • Study finds color and thickness of eggshells in wild birds related to light level exposure

    30 July 2014, 1:00 pm

    A team of biology researchers with members from Australia, the U.S., Czech Republic and the U.K. has found a correlation between eggshell color and thickness and the amount of light that shines on the eggs during incubation. In their paper published in…
  • Supportive moms and sisters boost female baboon's rank

    30 July 2014, 11:51 am

    A study of dominance in female baboons suggests that the route to a higher rank is to maintain close ties with mom, and to have lots of supportive sisters.

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