Chemistry

Capturing a single photon from a pulse of light:

Tapping Particles of Light

24.11.2015

Lasers & Optics, Nano Physics, Chemistry, Nanoscience, Quantum Computing

Weizmann Institute scientists single out individual photons

Thin transparent plates give this sea sapphire its iridescent color

A Marine Creature’s Magic Trick Explained

01.09.2015

Lasers & Optics, Nano Physics, Biochemistry, Materials Science, Structural Biology

Crystral structures on the sea sapphire's back appear differently depending on the angle of reflection

nanoparticles assemble in the dark

Reversible Writing with Light

01.09.2015

Nanoscience, Materials Science, Organic Chemistry

Self-assembling nanoparticles take their cues from their surroundings

Longhorn crazy ants cooperating to transfer an item much too heavy for one to move alone.

Ants in the Lead

30.07.2015

Space & Physics, Chemistry

A physics-based model can explain how ants cooperate in steering food to their nest

Single-stranded DNA (orange) interacts with the negatively (red) and positively (blue) charged parts of the protein molecule, as well as with its amino acid structures called aromatic groups (green)

Bracing Up DNA

27.07.2015

Systems Biology, Genetics, Structural Biology, Bioinformatics and Computational Biology

When DNA splits apart, the single strands get double the help to stay in shape

An ion-conducting nanochannel viewed under a scanning electron microscope

The Future with Nanoionics

27.07.2015

Nanoscience, Materials Science

A new method for “writing” tiny channels in solid surfaces may lead to more natural information storage systems

Ubiquitin, labeled with a fluorescent marker (yellow), has been successfully delivered into cells.

The Real Thing

27.07.2015

Molecular and Cell Biology, Structural Biology

What do proteins look like in their natural environment?

The nucleus (red) in the cell center is surrounded by the disorganized actin network in the cytoplasm, on which the myosin-v motors move the vesicles around in the "active random motion"

Getting to the Center

14.06.2015

Systems Biology, Evolution and Development, Chemistry, Bioinformatics and Computational Biology

How does random motion create directed movement in the cell?

Several molecules must work together for proper joint lubrication. In this illustration, the lubricin molecules anchor the long hyaluronan chains to the cartilage collagen network; these hyaluronan chains in turn attach the phospholipid molecules in either single layers (green) or double layers (blue)

Working under Pressure

11.03.2015

Materials Science

Lab experiments reveal that lubricating our knees and hips is a “joint” effort

A chicken heart muscle cell under a fluorescent microscope; the filaments consist of repeated subunits (bright dotted lines). The schematic representation shows three neighboring filaments; the black lines are the boundaries of their subunits, such that the lower filament is aligned with the middle one, while the upper one is not

In a Heartbeat

26.02.2015

Materials Science

A new model shows that the filaments in heart muscle cells don't automatically keep the beat

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Top: Overexpression of genes from the B2-SINE family in retinal ganglion neurons led to accelerated growth after injury. Bottom: Ganglion cells after injury without B2-SINE overexpression

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