News
-
ChemistryBeryllium-beryllium bond illuminated
Scientists study the partnership between two atoms of beryllium, which chemical theory says shouldn’t exist.
-
Health & MedicineNeurons take a break during stage 2 sleep
Electrical markers associated with stage 2 sleep indicate downtime for neurons.
-
AnimalsFor some birds, chancy climates mean better singers
In the mockingbird family, the most accomplished musical species tend to live in treacherous climates.
By Susan Milius -
-
LifeLife on Earth took a licking, kept on ticking
Earth's early organisms may not have had to restart after a long spell of asteroid impacts.
By Sid Perkins -
Characteristics that help coral bounce back
New report outlines features that make a reef able to deal with environmental stress.
-
Health & MedicineHow Down syndrome works against cancer
A surplus of cancer-suppressing protein encoded by a gene on an extra copy of chromosome 21 may explain in part why people with Down syndrome seldom get cancer.
By Nathan Seppa -
PhysicsEuropium’s superconductivity demonstrated
A rare earth metal is the 53rd naturally occurring element to possess the property.
-
HumansAn unusual budget cycle
The first Obama budget rolled out slowly and in atypical fashion.
By Janet Raloff -
PaleontologyAncient fish with killer bite
Dunkleosteus clamped down on prey with three-quarters-of-a-ton bite force.
By Sid Perkins -
SpaceLast Hubble rendezvous
During five successful space walks, astronauts repaired and rejuvenated the Hubble Space Telescope.
By Ron Cowen -
ArchaeologyStone Age figurine has contentious origins
A new study suggests that an ivory female figurine from Germany dates to at least 35,000 years ago, but that conclusion has sparked debate over the Stone Age origins of figurative art.
By Bruce Bower