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Our brains are charged with the task of directing most of the processes needed for our bodies to function. As such, they consume roughly 20% of our body’s metabolic energy, even while we’re resting.
New technology tracks role of macrophages in cancer spread（图）
New technology tracks role macrophages cancer spread
2020/11/6
Macrophages, cells that help engulf and destroy harmful organisms in the body, tend to be characterized as the Jekyll and Hydes of the immune system.Macrophages are essential first responders in fight...
Blue sharks use ocean eddies as fast-tracks to food（图）
Blue sharks ocean eddies fast-tracks food
2019/10/21
Blue sharks use large, swirling ocean currents known as eddies to fast-track their way to food in the twilight zone -- a layer of the sea between 200 and 1,000 meters deep, according to new research b...
Antarctic detector offers first look at how Earth stops high-energy neutrinos in their tracks
Antarctic detector Earth stops high-energy neutrinos their tracks
2017/11/24
An interdisciplinary team of researchers using the IceCube Neutrino Observatory in Antarctica has measured how certain high-energy neutrinos are absorbed by the Earth, as opposed to passing through ma...
Gemini Tracks Distant Star Cluster with Adaptive Optics
Gemini Distant Star Cluster Adaptive Optics
2017/7/20
We present a proper motion measurement for the halo globular cluster Pyxis, using HST/ACS data as the first epoch, and GeMS/GSAOI Adaptive Optics data as the second, separated by a baseline of ～ 5 yea...
Novel technique tracks more web users across browsers
Novel technique tracks more web users across browsers
2017/3/13
For good or ill, what users do on the web is tracked. Banks track users as an authentication technique, to offer their customers enhanced security protection. Retailers track customers and potential c...
The top 2 inches of topsoil on all of Earth’s landmasses contains an infinitesimal fraction of the planet’s water — less than one-thousandth of a percent. Yet because of its position at the interface ...
Living things have long used a previously unrecognized method for diversifying and evolving. This strategy, as reported this week in Science, could account for some of the variation seen across s...
New 13-year Study Tracks Impact of Changing Climate on a Key Marine Food Source
Changing Climate Key Marine Food Source
2016/11/4
A new multiyear study from scientists at the Woods Hole Oceanographic Institution (WHOI) has shown for the first time how changes in ocean temperature affect a key species of phytoplankton. The study,...
Climate change ‘tug of war’ keeps scientists guessing on storm tracks
Climate change tug of war scientists storm tracks
2016/9/12
Storm tracks—regions where storms travel from west to east across oceans and continents driven by the prevailing jet stream—determine weather and climate in middle-latitude places like Chicago and New...
Gemini Tracks Collapse of Io's Atmosphere During Frigid Eclipses
Gemini Collapse Io's Atmosphere Frigid Eclipses
2016/8/11
A Southwest Research Institute-led team has documented atmospheric changes on Io, Jupiter’s volcanically active satellite, as the giant planet casts its shadow over the moon’s surface during daily ecl...
Ultra-stable JILA Microscopy Technique Tracks Tiny Objects for Hours
Ultra-stable JILA Microscopy Technique Tracks Tiny Objects Hours
2015/7/13
JILA researchers have designed a microscope instrument so stable that it can accurately measure the 3D movement of individual molecules over many hours—hundreds of times longer than the current limit ...
How the Hawkmoth Sees,Hovers and Tracks Flowers in the Dark
Hawkmoth Sees Hovers Tracks Flowers the Dark
2015/6/18
Using high-speed infrared cameras and 3-D-printed robotic flowers, scientists have now learned how this insect juggles these complex sensing and control challenges – all while adjusting to changing li...
CASA radar tracks tornadoes down the street and up to the minute, literally!
CASA radar tornadoes down the street up to the minute
2015/3/25
A new generation of smaller, highly capable radar systems in the Dallas/Fort Worth area is able to track with more accuracy the location of tornadoes and other severe weather conditions, such as heavy...
Seeing the Knee in a New Light: Fluorescent Probe Tracks Osteoarthritis Development
the Knee Fluorescent Probe Osteoarthritis
2015/3/4
A fluorescent probe may make it easier to diagnose and monitor osteoarthritis, a painful joint disease affecting nearly 27 million Americans. The disease is often detected late in development after pa...