Atom & Cosmos

In the March 13 Issue:

TABLE OF CONTENTS
Losing life’s variety: 2010 is the deadline set for reversing declines in biodiversity, but little has been accomplished
Hogan’s noise: A cosmologist suggests a novel way to uncover the nature of spacetime on the smallest scales

::	Atom & Cosmos
	Astronomy Physics Planetary Science

Top Stories | March 11

Magnetic flows cause sunspot lows, study shows
Observations of gas flows on the solar surface may explain why the sun recently had such a prolonged case of the doldrums; could lead to more accurate predictions for the duration and severity of future solar cycles.
ESA, NASA
Geophysicists push age of Earth's magnetic field back 250 million years
South African rocks suggest that the earliest stages of life on Earth were protected from harmful solar radiation.
Deleted Scenes: Spirit: 'The reports of my death have been greatly exaggerated'
The Mars rover makes a small, but promising, move.
Lopsided stellar disks help black holes guzzle gas
Theorists have found a new recipe for feeding the supermassive centers of galaxies.
Chip of tooth tells radiation dose
A two-milligram dot of tooth enamel serves as a radiation dosimeter.

:: More in Atom & Cosmos

Chip of tooth tells radiation dose

A two-milligram dot of tooth enamel serves as a radiation dosimeter.

Shaving extra dimensions

More news from the American Physical Society meeting

Hogan’s noise

A cosmologist suggests a novel way to uncover the nature of spacetime on the smallest scales

Saturn moon could be hospitable to life, new images suggest

Cassini spacecraft sees evidence for liquid water beneath the surface of Saturn’s moon Enceladus.

Study raises questions about supernova origins

X-ray observations of the explosions could shift measurements of the mysterious entity known as dark energy.

:: Science News
2|27 Issue Links

Ancient dawn's early light refines age of universe

Satellite images reveal new aspects of Big Bang’s relic radiation.

Mars rover Spirit still running, but only in place

Six years into its 90-day mission, NASA’s rover becomes a lander

:: See all Atom & Cosmos

Blogs:

Science & the Public Cats attracted to ADHD drug, a feline poison
By Janet Raloff Mar 11th 2010

Deleted Scenes Spirit: 'The reports of my death have been greatly exaggerated'
By Science News Staff Mar 3rd 2010

On the Scene The carbon footprint of industrial whaling
By Science News Staff Feb 26th 2010

Columns:

Math Trek The mutual inspiration of art and mathematics
By Julie Rehmeyer Mar 6th 2010

Comment New NOAA climate office would meet growing needs
By Jane Lubchenco Feb 26th 2010

Not to Miss:

AAAS 2010 meeting highlights

APS April 2010 meeting coverage

2009 Science News of the Year

Black holes powering starships

SN Bookshelf:

Book Review: The Encyclopedia of Weather and Climate Change: A Complete Visual Guide by J.L. Fry, H.-F. Graf, R. Grotjahn, M.N. Raphael, C. Saunders and R. Whitaker
Review by Sid Perkins
Buy now | More Books

Gold Medal Physics: The Science of Sports by John Eric Goff
How athletes, Olympian and otherwise, perform some of their most amazing physical feats.Johns Hopkin...
Buy now | More Books

Reader Favorites:

SN on the Web: