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PaleontologyCalling all orthodontists. . .
Researchers have unearthed fossils of a theropod dinosaur whose front teeth grew almost directly forward, which sets it apart from all other related species.
By Sid Perkins -
Quantum Special Issue : PDF Download page
All files are saved as PDFs. Please download Adobe’s Acrobat Reader to view these files. Clash of the quantum tıtans (Tom Siegfried)/Zombie cat (Alexandra Witze) (Alexandra Witze)/Quantum weirdnessPDF 888KB Everyday entanglement (Laura Sanders)/A spooky link/75 years of entanglement (Alexandra Witze)/Quantum weirdness in actionPDF 1.18MB
By Science News -
ChemistryKing Midas’ Modern Mourners
Chemistry resurrects—in Philadelphia—an ancient funeral banquet.
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PaleontologyA Makeover for an Old Friend
Time and technology revamp a dinosaur classic.
By Sid Perkins -
AnimalsShielded cells help fish ignore noise
Fish can sort out the interesting ripples from the background rush of water currents through sensors shielded in canals that run along their flanks.
By Susan Milius -
PaleontologyEarly Biped Fossil Pops Up in Europe
A newly described, nearly complete 290-million-year-old fossil of an ancient reptile pushes back the evidence for terrestrial bipedalism by 60 million years.
By Sid Perkins -
AstronomyRendezvous gets more personal with Eros
Venturing closer to a space rock than any satellite has ever gone before, the Near Earth Asteroid Rendezvous (NEAR)-Shoemaker mission last week took the sharpest images ever recorded of an asteroid.
By Ron Cowen -
Health & MedicineProstate enzyme triggers cancer drug
A new drug reverses advanced prostate cancer in mice by enlisting the aid of prostate-specific antigen, an enzyme found in most prostate tumors.
By Nathan Seppa -
Health & MedicineKilling immune cells thwarts arthritis
Researchers have successfully treated people with rheumatoid arthritis by temporarily wiping out most of their antibody-producing immune cells.
By John Travis -
PhysicsSigns of mass-giving particle get stronger
The promising search at a collider in Switzerland for the Higgs boson—the crucial and last undetected fundamental particle predicted by the central theory of particle physics—became even more of a cliff-hanger as a new, strong hint of the particle appeared on the eve of the machine's second scheduled demise.
By Peter Weiss -
Anthropology‘Y guy’ steps into human-evolution debate
The common ancestor of today's males lived in Africa between 35,000 and 89,000 years ago, according to a contested DNA analysis.
By Bruce Bower -
Two aspects of sleep share a master
A molecular connection between the timing of sleep—a part of circadian rhythms—and how long animals slumber each day is demonstrated for the first time.
By Laura Sivitz