Just as when we humans reach for objects, the hummingbird hawk moth uses its visual sense to place its long proboscis precisely on a flower to search for nectar, according to a study by Konstanz biologists.
Plants & Animals
Jan 29, 2024
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178
An international team of scientists led by Gregg Adams at the University of Saskatchewan has discovered that a protein in semen acts on the female brain to prompt ovulation, and is the same molecule that regulates the growth, ...
Plants & Animals
Aug 20, 2012
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(PhysOrg.com) -- Studying pollen tubes, University of Massachusetts Amherst plant cell biologist Peter Hepler and colleagues have captured some of the fastest growing tissues known, on camera for the first time, to advance ...
Cell & Microbiology
Jan 27, 2010
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0
Zinc is a vital micronutrient involved in many cellular processes: For example, in learning and memory processes, it plays a role that is not yet understood. By using nanoelectrochemical measurements, Swedish researchers ...
Biochemistry
Mar 21, 2017
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228
UCLA researchers have produced the clearest 3-D images to date of the virus that causes cold sores, herpes simplex virus type 1, or HSV-1. The images enabled them to map the virus' structure and offered new insights into ...
Biochemistry
Apr 16, 2018
0
343
Abandon any notion that the duck-billed platypus is a soft and cuddly creature -- maybe like Perry the Platypus in the Phineas and Ferb cartoon.
Analytical Chemistry
Jan 13, 2010
3
0
No longer just fantastical fodder for sci-fi buffs, cyborg technology is bringing us tangible progress toward real-life electronic skin, prosthetics and ultraflexible circuits. Now taking this human-machine concept to an ...
Bio & Medicine
Aug 10, 2014
1
0
New research shows that a burst of evolutionary innovation in the genes responsible for electrical communication among nerve cells in our brains occurred over 600 million years ago in a common ancestor of humans and the sea ...
Cell & Microbiology
Feb 16, 2015
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(PhysOrg.com) -- Moths are so finely tuned to the ultrasonic calls of predatory bats that the nerve cells in their ears are activated by displacements of the eardrum the size of a small atom, according to new research from ...
Plants & Animals
Oct 20, 2011
1
2
When proteins get "out of shape", the consequences can be fatal. They lose their function and in some cases form insoluble, toxic clumps that damage other cells and can cause severe diseases such as Alzheimer's or Parkinson's. ...
Biochemistry
Feb 11, 2013
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