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New Fossil Plant Discovery Links Patagonia to New Guinea in a Warmer Past
Fossil plants provide clues
as to what our planet looked
like millions of years ago.
Identifying fossil plants
can be tricky, however, when
... > full story
It Takes Two to Infect: Structural Biologists Shed Light on Mechanism of Invasion Protein
Bacteria are quite creative
when infecting the human
organism. They invade cells,
migrate through the body,
avoid an immune response and
... > full story
Biological Basis of 'Bacterial Immune System' Discovered
Scientists have discovered
how the bacterial immune
system works, and the
finding could lead to new
classes of targeted
antibiotics, new tools to
... > full story
Female Fruit Flies Do Chores After Sex
The sperm of male fruit
flies are coated with a
chemical 'sex peptide' which
inhibits the female's usual
afternoon siesta and compels
her into an intense period
of foraging activity. ... > full story
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Plasma Produces KO Cocktail for MRSA
November 30, 2009 — Two prototype devices have been developed: one for efficient disinfection of healthy skin (e.g. hands and feet) in hospitals and public spaces where bacteria can pose a lethal threat; and another to ... > full story -
How Can Evolutionary Responses to Climate Change Be Measured?
November 30, 2009 — As global temperatures continue to rise, scientists are presented with the complex challenge of understanding how species respond and ... > full story -
New Therapy May Be Effective Against Bacterial Infections and Sepsis
November 29, 2009 — A new study found that certain immune cells primarily associated with asthma and allergies may enhance innate immunity and improve clearance of bacterial infections and may be an effective new ... > full story -
RNA Network Seen in Live Bacterial Cells for First Time
November 28, 2009 — New technology has given scientists the first look ever at RNA in a live bacteria cell -- a sight that could offer new information about how the molecule moves and ... > full story -
Ecologists Sound out New Solution for Monitoring Cryptic Species
November 28, 2009 — Ecologists have worked out a way of using recordings of birdsong to accurately measure the size of bird populations. This is the first time sound recordings from a microphone array have been ... > full story -
Umbilical Cord Blood Stem Cell Transplant May Help Lung, Heart Disorders
November 27, 2009 — Two recent studies investigating the use of human umbilical cord blood stem cell (UCB) transplants for lung and heart disorders in animal models found beneficial results. When human UCB-derived ... > full story -
How Plants and Bacteria 'Talk' to Thwart Disease
November 27, 2009 — Unwrapping some of the mystery from how plants and bacteria communicate to trigger an innate immune response, scientists have identified the bacterial signaling molecule that matches up with a ... > full story -
Ecological Speciation by Sexual Selection on Good Genes
November 27, 2009 — Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of "On the Origin of Species" debate continues on the mechanisms of speciation. New ... > full story -
Knockouts in Human Cells Point to Pathogenic Targets
November 27, 2009 — Researchers have developed a new approach for genetics in human cells and used this technique to identify specific genes and proteins required for pathogens. With the ability to generate knockout ... > full story -
First-Ever Blueprint of 'Minimal Cell' Is More Complex Than Expected
November 27, 2009 — What are the bare essentials of life, the indispensable ingredients required to produce a cell that can survive on its own? Can we describe the molecular anatomy of a cell, and understand how an ... > full story
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