Uncategorized
- Materials Science
Electron waves refract negatively
Waves of electrons have been bent backward in a sheet of graphene, allowing physicists to focus electrons the way a lens focuses light.
- Health & Medicine
Clinical trial suggests new blood pressure standard
Preliminary results from a clinical trial suggest lower blood pressure targets could reduce rates of cardiovascular diseasae.
- Animals
Loss of vision meant energy savings for cavefish
Novel measurement feeds idea that tight energy budgets favored vision loss in cavefish.
- Genetics
Bad Karma can ruin palm oil crops
Missing epigenetic mark makes for Bad Karma and poor palm oil crops.
- Planetary Science
Asteroid impacts may explain Venus’ missing oxygen
Asteroid impacts on Venus might have helped sequester oxygen left behind when Earth’s sister planet lost its water, new simulations show.
- Health & Medicine
Less vitamin D and melatonin bad for multiple sclerosis
Vitamin D and melatonin play important roles in multiple sclerosis.
- Life
Humans adjust walking style for energy efficiency
Humans can adjust their steps to walk in a way that uses the least amount of energy.
- Anthropology
Fossils suggest new species from human genus
Undated South African cave fossils may reveal a new species in the human genus.
- Animals
Invading Argentine ants carry virus that attacks bees
The first survey of viruses in the globally invasive Argentine ant brings both potentially bad and good news.
- Earth
Earth’s magnetic mystery forces scientists to get creative
In explaining the Earth’s magnetic field paradox, scientists may discover a new question with an even more interesting answer.
- Anthropology
Immortality and more in reader feedback
This week in reader feedback: Immortality and tracing ancient humans.
- Animals
Apes do the darndest things
Several chimp behaviors have researchers wondering if apes are a good model for early hominid life.
