News tagged with life sciences

Organic carbon from Mars, but not biological

(Phys.org) -- Molecules containing large chains of carbon and hydrogen--the building blocks of all life on Earth--have been the targets of missions to Mars from Viking to the present day. While these molecules ...

Space & Earth / Space Exploration

created May 24, 2012 | popularity 4.4 / 5 (5) | comments 2 | with audio podcast

Life on Mars: just add carbon and stir

The building blocks of life have been discovered on Mars ... in Martian meteorites that fell to Earth.

Space & Earth / Space Exploration

created May 29, 2012 | popularity 3.3 / 5 (3) | comments 0

Honoring the fundamental role of microbes in the natural history of our planet

Inspired by a 2009 colloquium on microbial evolution convened at the Galapagos Islands, a new book from ASM Press, Microbes and Evolution: The World That Darwin Never Saw celebrates Charles Darwin and his landmark publication ...

Biology / Cell & Microbiology

created May 30, 2012 | popularity not rated yet | comments 0

Famed US alien seeker shifts gaze back to Earth

After decades spent scanning the heavens for signs of life elsewhere in the cosmos, astronomer Jill Tarter is stepping back, and letting a colleague take charge of the quest.

Space & Earth / Space Exploration

created May 22, 2012 | popularity 5 / 5 (4) | comments 13

Economic growth in China has not meant greater life satisfaction for Chinese people: long-term study

Despite an unprecedented rate of economic growth, Chinese people are less happy overall than they were two decades ago, reveals timely new research from economist Richard Easterlin, one of the founders of the field of "happiness ...

Other Sciences / Social Sciences

created May 14, 2012 | popularity 4 / 5 (4) | comments 8 | with audio podcast

DNA nanorobot triggers targeted therapeutic responses

Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have developed a robotic device made from DNA that could potentially seek out specific cell targets within a complex ...

Nanotechnology / Bio & Medicine

created Feb 16, 2012 | popularity 5 / 5 (9) | comments 8 | with audio podcast

Bacteria can grow under extreme gravity: study

(PhysOrg.com) -- A new study in the Proceedings of the National Academy of Sciences shows that bacteria is capable of growing under gravity more than 400,000 times that of Earth and gives evidence that the th ...

Biology / Cell & Microbiology

created Apr 26, 2011 | popularity 5 / 5 (22) | comments 43 | with audio podcast report

Organic compounds found in proto-planetary disks

(PhysOrg.com) -- A new study from scientists in the US has reported that organic compounds could be formed in proto-planetary disks, and could have seeded the development of life in our own and other planetary ...

Space & Earth / Astronomy

created Mar 30, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast report

A small step for lungfish, a big step for the evolution of walking

The eel-like body and scrawny "limbs" of the African lungfish would appear to make it an unlikely innovator for locomotion. But its improbable walking behavior, newly described by University of Chicago scientists, ...

Biology / Plants & Animals

created Dec 12, 2011 | popularity 4.5 / 5 (16) | comments 11 | with audio podcast

A long-held assumption confirmed: We can learn a lot from other species' genes

Researchers at the SIB Swiss Institute of Bioinformatics and the EMBL-European Bioinformatics Institute have confirmed the long-held belief that studying the genes we share with other animals is useful. The study, published ...

Biology / Biotechnology

created May 17, 2012 | popularity not rated yet | comments 0

Biologists discover how yeast cells reverse aging

Human cells have a finite lifespan: They can only divide a certain number of times before they die. However, that lifespan is reset when reproductive cells are formed, which is why the children of a 20-year-old ...

Biology / Biotechnology

created Jun 24, 2011 | popularity 5 / 5 (29) | comments 15 | with audio podcast

New technology dramatically extends battery life for mobile devices

Technophiles who have been dreaming of mobile devices that run longer on lighter, slimmer batteries may soon find their wish has been granted.

Nanotechnology / Nanophysics

created Mar 10, 2011 | popularity 4.4 / 5 (22) | comments 6 | with audio podcast

'Lost' samples from famous origin of life researcher could send search for first life in new direction

(PhysOrg.com) -- Stanley Miller gained fame with his 1953 experiment showing the synthesis of organic compounds thought to be important in setting the origin of life in motion. Five years later, he produced ...

Chemistry / Biochemistry

created Mar 21, 2011 | popularity 5 / 5 (10) | comments 11 | with audio podcast

Scientists use 'crowd funding' to secure research funds

When Tara Crawford saw a fishing net wrapped around a young California sea lion’s neck, cutting into its flesh and causing an infection, it reinforced her motivation to help these animals through her ...

Other Sciences / Other

created May 22, 2012 | popularity not rated yet | comments 1

Lightning sprites are out-of-this-world

Only a few decades ago, scientists discovered the existence of "sprites" 30 to 55 miles above the surface of the Earth. They're offshoots of electric discharges caused by lightning storms, and a valuable window ...

Space & Earth / Space Exploration

created Nov 21, 2011 | popularity 4.8 / 5 (13) | comments 1 | with audio podcast