6,913 results
6,913 results for: Bears
- Health & Medicine
Looking Ahead: Tests might predict Alzheimer’s risk
Two tests show promise in detecting Alzheimer's disease or other cognitive impairment years before symptoms arise.
- Health & Medicine
Got Data? Consuming calcium, dairy doesn’t keep off weight
Dairy products and other calcium-containing foods don't prevent weight gain, according to a 12-year study of middle-aged men.
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Grown-Up Connections: Mice, monkeys remake brain links as adults
Two new studies offer a glimpse of extensive remodeling of nerve connections in the brain's outer layer, or cortex, during adulthood in mice and monkeys.
- Earth
Tiny Bubbles: Oldest evidence yet for methane makers
Analyses of the gases dissolved in water trapped in ancient minerals suggest that methane-generating microbes have been around almost 3.5 billion years.
- Anthropology
Branchless Evolution: Fossils point to single hominid root
Fossils of a 4.1-million-year-old human ancestor in Ethiopia bolster the controversial idea that early members of our evolutionary family arose one species at a time rather than branching out into numerous species.
- Earth
Seismic Speed Traps: Iron-rich regions may slow deep-Earth vibes
Large quantities of iron-rich minerals may be responsible for the sluggishness of seismic waves traveling through certain regions deep within Earth.
- Earth
Light reaches deep in southeast Pacific
In a remote part of the southeastern Pacific where marine life is sparse, ultraviolet light penetrates to unprecedented depths.
- Health & Medicine
Nerve Link: Alzheimer’s suspect shows up in glaucoma
Amyloid-beta, the protein fragment implicated in Alzheimer's disease, may also play a role in glaucoma.
- Humans
From the February 27, 1937, issue
Testing thermometers, measuring clouds, and a very useful mineral.
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From the May 14, 1932, issue
DOVE ORCHID MAKES FITTING FLOWER FOR WHITSUNDAY Sunday, May 15, is the Feast of Pentecost, or Whitsunday, when many of the churches commemorate the descent of the Holy Spirit. In the lands of tropical America, where delicate orchids can be had by anybody, many an imaginative Latin will mingle poetry with his piety as he […]
- Animals
Wolverine: Climate warming threatens comeback
BLOG: New data point to unexpected sociability and filial behavior in carnivore.
- Humans
Climate researcher speaks out
BLOG: Michael Mann says scientists have lost control of the public message about climate change, Alexandra Witze reports from the Council for the Advancement of Science Writing meeting.
