6,904 results
6,904 results for: Bears
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Decoding Garlic’s Pizzazz: Extract stimulates taste, temperature receptors
Raw garlic's characteristic spiciness stems from its capacity to open channels on nerve cells that react both to tastes and noxious temperatures.
- Planetary Science
Renegade moon
Saturn's outlier moon Phoebe didn't coalesce from material near the ringed planet but was captured from the distant Kuiper belt.
- Plants
World’s fastest plant explodes with pollen
A high-speed camera has revealed the explosive pollen launches of bunchberry dogwood flowers as the fastest plant motion known.
- Health & Medicine
Ready-to-eat spinach bears tough microbes
Bagged spinach may contain a significant number of bacteria, many of which are resistant to several antibiotics.
- Tech
Sensor measures mass of one DNA molecule
A new biosensor that can detect the mass of a single DNA molecule could lead to faster and more accurate screening for HIV infection, cancer, and other diseases.
- Chemistry
Striking Oil: High-pressure processing minimizes trans fats
Improvements in the techniques used to hydrogenate vegetable oils could soon fill store shelves with food products containing smaller percentages of unhealthful trans fats.
- Earth
Under Pressure: High-stress tests show surprising change in a mantle mineral’s behavior
Compressing a common iron-bearing mineral to the pressures found deep within Earth makes the material much stiffer, which might explain why seismic waves travel particularly fast through some zones of rock.
- Earth
Multifaceted Mineral: Intense heat, pressure bear new form of silica
By squeezing a mineral sample to pressures higher than those deep within Earth, then zapping it with a laser, scientists have created a crystalline form of silicon dioxide previously unknown on Earth.
- Astronomy
Three’s Company: Asteroid 87 Sylvia and her two moons
Astronomers have for the first time discovered an asteroid with two moons, an indication that the rock is highly porous.
- Health & Medicine
Outwitting TB: Enhanced vaccine protects mice in lab tests
An enhanced vaccine appears to offer better protection against tuberculosis than the current version does, a study in mice suggests.
- Anthropology
Reservoirs of Evolution: Rainy periods linked to human origins in Africa
Three phases of heavy rainfall in eastern Africa between 2.7 million and 900,000 years ago created deep lakes and might have played a critical role in the evolution of human ancestors.
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Bitty Beasts of Burden: Algae can carry cargo
Scientists have devised a way to make single-cell algae bear loads over distances of several centimeters, a tactic that could prove useful in tiny machines.
