Researchers hunt for a 12-billion-year-old signal that marks the end of the post Big Bang “dark age”.
are closing in on a signal that has been travelling
across the Universe for 12 billion years, bringing them nearer to understanding
the life and death of the very earliest stars.
paper on the preprint site arXiv and
soon to be published in the Astrophysical Journal, a team led by Dr Nichole Barry from Australia’s University of Melbourne and
the ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO
3D) reports a 10-fold improvement on data gathered by the Murchison Widefield
Array (MWA) – a collection of 4096 dipole antennas
set in the remote hinterland of Western Australia.
The shape of immune cells plays key role in recognising invaders.
The way immune cells pick friends from foes can be described by a classic maths puzzle known as the “narrow escape problem”.
That’s a key finding arising from an international
collaboration between biologists, immunologists and mathematicians, published
in the journal Proceedings of the National Academy of Sciences.
The narrow escape problem is a framework often applied in cellular
biology. It posits randomly moving particles trapped in a space with only a
tiny exit, and calculates the average time required for each one to escape.
Members of at least one species choose mates and egg sites based on where they were born, research reveals
a lifelong influence on butterflies as well as humans, new research reveals.
In a paper
published in the journal Proceedings of the Royal Society B: Biological
Sciences, Macquarie University ARC Future Fellow Associate Professor
Darrell Kemp reveals that the American passionfruit butterfly, Heliconius
charithonia, selects its mate and egg-laying site based on the species of
plant that hosted its own egg.
The NISEP program has helped almost 1000 Indigenous school children enter leadership roles.
The National Indigenous Science
Education Program (NISEP),
based at the Faculty of Science and Engineering at Sydney’s Macquarie
University, won the inaugural the Eureka Prize for STEM Inclusion at the 2019 Australian Museum Eureka
The awards were
held in Sydney on Wednesday, August 28.
Collaboration investigates the link between changing sea levels, global warming and the health of marine wetlands.
Carbon dioxide capture by coastal ecosystems operates in direct relation
to the speed of sea level rise.
That was the conclusion of extensive research conducted by a team of
scientists from Macquarie
University, University of Wollongong and ANSTO – work that has now won the
scientists the NSW
Environment, Energy and Science (DPIE) Eureka Prize for Environmental Research.
researchers identify ancient protein pumps that make bacteria tough to treat –
but could be key to new green polymers
The molecular machinery used by bacteria to
resist chemicals designed to kill them could also help produce precursors for a
new generation of nylon and other polymers, according to new research by
scientists from Australia and the UK.
“Resistance to artificial antiseptics
appears to be a lucky accident for the bacteria, and it could also be useful
for humans,” says Professor Ian Paulsen of Australia’s Macquarie University,
one of the leaders of the research group.
Early results from Australia-wide experiment suggest being outdoors can be a good way to trigger “aha” moments.
People are most likely to have a sudden bright idea when
out in the bush – or lying in bed.
That’s one of the early observations arising from The Aha!
Challenge, the month-long Australia-wide science experiment that kicked off
during National Science Week and runs until the end of August.
The experiment, which revolves around a series of online
brainteasers, aims to explore sudden bursts of clarity and insight, and their
role in problem-solving. In effect, it’s a nationwide quest to find the things
that make you go “aha!”…