We report that crystalline phases with ferroelectric behavior can be formed in thin films of SiO2
doped hafnium oxide. Films with a thickness of 10 nm and with less than 4 mol.% of SiO2 …

Male reproductive health has deteriorated in many countries during the last few decades. In
the 1990s, declining semen quality has been reported from Belgium, Denmark, France, and …

Understanding and quantifying the global methane (CH 4 ) budget is important for assessing
realistic pathways to mitigate climate change. Atmospheric emissions and concentrations of …

Background Colorectal resections are common surgical procedures all over the world.
Laparoscopic colorectal surgery is technically feasible in a considerable amount of patients under …

Graphitic carbon nitride, g-C3N4, can be made by polymerization of cyanamide, dicyandiamide
or melamine. Depending on reaction conditions, different materials with different …

Polycomb group (PcG) proteins maintain transcriptional repression during development,
likely by creating repressive chromatin states. The Extra Sex Combs (ESC) and Enhancer of …

Background Neurostimulation of the internal globus pallidus has been shown to be effective
in reducing symptoms of primary dystonia. We compared this surgical treatment with sham …

We describe the draft genome of the microcrustacean Daphnia pulex, which is only 200
megabases and contains at least 30,907 genes. The high gene count is a consequence of an …

… This research has been carried out in large collaboration programs together with physicists
like the DFG CRC 1464 TerraQ of which Jürgen Müller is the speaker. This new research …

Based on evidence from morphological and histochemical studies and from clinical
experience, the following hypotheses are proposed: (1) carcinoma‐in‐situ (CIS) germ cells are …