Uncategorized
- Health & Medicine
Imagination Medicine
Brain imaging reveals the substance of placebos. Expectation alone triggers the same neural circuits and chemicals as real drugs.
- Space
First LHC proton collisions postponed further
The world’s most powerful atom smasher won’t reopen for business until the end of June at the earliest, rather than in April as scientists had previously estimated.
- 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.
- 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.
- 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.
- Health & Medicine
Men line up for circumcision in Africa
But demand for the operation, shown to guard against HIV and other infections, exceeds availability.
- 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.
- 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.
- 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.
