Uncategorized
- Psychology
Recovering memories that never left
New research suggests that some people who recover memories of childhood sexual abuse are prone to false recall, while others are likely to have forgotten earlier recollections of actual abuse.
By Bruce Bower - Life
Fat cells also linked to prion infection
Disease-causing misfolded proteins at home in a growing list of tissues, organs.
- Space
Martian stairs suggest predictable ancient climate
Tilt in Mars' axis could have created stair-stepped rock formations long ago.
By Ron Cowen - Life
Spanish Inquisition couldn’t quash Moorish, Jewish genes
Finding suggests modern history, not just prehistory, can leave a strong mark on a region’s genetic signature.
- Life
Funny smell may have split bee species
Among male bees that create their own perfume, a change in the sense of smell might mean a split in species.
By Susan Milius - Health & Medicine
Men line up for circumcision in Africa
But demand for the operation, shown to guard against HIV and other infections, exceeds availability.
By Nathan Seppa - Health & Medicine
Fine-scale structure of egg crucial for fertility
Scientists describe the shape of a protein required for conception. These new molecular details will lead to an improved understanding of how sperm and egg unite.
- Earth
Methane even escapes from freezing permafrost
An extended field season reveals that the autumn freeze in the arctic squeezes methane from some high-latitude wetland soils, a match even for summertime methane release.
By Sid Perkins - Earth
Unveiling hidden craters
Earth is regularly bombarded by small meteorites, but most of the resulting craters are hard to find. A team reports finding one such crater in the forests of west-central Alberta.
By Sid Perkins - Health & Medicine
Protein found to set the heart’s cadence
Researchers have discovered a molecular metronome that sets the rhythm of the heart and blood pressure.
- Math
Florence Nightingale: The passionate statistician
Florence Nightingale pioneered the use of applied statistics to develop policy and developed novel ways of displaying them.
- Earth
Plate tectonics got an early start
The chemistry of minerals preserved in Australian rocks suggests tectonic activity for Earth’s earliest eon.
By Sid Perkins