News
- Astronomy
Kepler telescope identifies new ‘habitable zone’ planet
A new analysis of data from NASA’s Kepler mission has uncovered a planet orbiting a sunlike star that could be Earth’s “cousin.”
- Paleontology
Sudden heat spikes did in Ice Age’s mammoth mammals
Abrupt warming and excessive hunting by ancient humans were responsible for the disappearance of many large mammals, including woolly mammoths, during Earth’s last glacial period.
- Paleontology
Museum fossil links snakes to lizards
Scientists have discovered the fossilized remains of the first four-legged snake. The fossil bridges the gap between snakes and lizards.
- Life
Cells from grandma help keep fetus safe
Grandmother’s cells may watch over grandchildren in the womb.
- Neuroscience
Boosting estrogen, only in the brain
Scientists have developed a chemical that transforms into the hormone estrogen in the brain, but not the body, of rats.
- Genetics
Research teams duel over Native American origins
Genetic link between Australia and the Amazon fuels two interpretations of Native American origins.
- Health & Medicine
Death by brain-eating amoeba is an inside job
Immune response to brain-eating amoeba may be the real killer.
- Neuroscience
Breakdown of Alzheimer’s protein slows with age
It takes longer to get rid of an Alzheimer’s-associated protein with age.
- Climate
Carbon dating may soon lead to mismatches
Carbon released from burning fossil fuels will jeopardize the effectiveness of many carbon dating applications, new research predicts.
- Chemistry
Biology may provide just the right chemistry for new drugs
Using enzymes and microbes to make new drugs may help revive the pharmaceutical industry.
- Life
Good luck outsmarting a mosquito
Mosquitoes use their senses in sophisticated combinations and sequences to find you.
- Plants
Defense hormones guide plant roots’ mix of microbes
Plants use salicylic acid to attract some bacteria to roots and repel others.
