Uncategorized
- Paleontology
‘Dinosaurs Without Bones’ gives glimpse of long-gone life
Ichnologist Anthony J. Martin explains his research piecing together dinosaurs’ lives from footprints and other traces.
By Sid Perkins - Science & Society
‘Prisoners, Lovers, and Spies’ reveals the secrets of invisible ink
Kristie Macrakis takes readers on a tour of invisible ink’s history and the need to hide information, from the earliest empires to the Internet age.
By Bryan Bello - Animals
Swimming evolved several times in treetop ants
Certain ants living in tropical forest canopies turn out to be fine swimmers.
By Susan Milius -
- Tech
Scientists struggle to find signals in the noise
Even in a simple system like email, detecting the signal from the noise is not always easy. It can be even more difficult separating a dazzling discovery from dust or whether a breast mass is cancerous or benign.
By Eva Emerson - Health & Medicine
Mammography’s limits becoming clear
It may be time to move way from blanket recommendations about mammography and empower women to decide for themselves, new work suggests.
By Laura Beil - Cosmology
Dazzle or dust?
The unpredictable glow of galactic dust could undermine the biggest cosmological discovery in years.
- Earth
Earth’s deep interior holds vast reservoir of water
Ocean’s worth of water trapped in Earth’s mantle, lab experiments and seismic data suggest.
- Life
Dinos straddled line between cold- and warm-blooded
Tyrannosaurus rex and other dinosaurs straddled line between cold- and warm-blood, a new analysis finds.
By Meghan Rosen - Life
California mite becomes fastest land animal
Despite being the size of a sesame seed, the Paratarsotomus macropalpis mite can outpace Usain Bolt and even a cheetah in terms of body lengths per second.
- Genetics
Chimp and human lineages may have split twice as long ago as thought
New estimates of chimpanzee mutation rates suggest humans and chimps last shared a common ancestor 13 million years ago.
- Neuroscience
Crayfish get anxious, too
After receiving a shock, crayfish act anxious, avoiding brightly lit areas.