Managing constraint: frugal opposition to European fiscal solidarity.

The management of the COVID-19 crisis and, in particular, the Next Generation EU fund have shown that European leaders can find integrationist policy solutions despite increasing politicisation at home where democratic constraints may lead to a feared 'multilevel politics trap'. Therefore, we ask whether and how national governments can manage such constraints and thus spring or avoid the trap. Theoretically, we argue that the agency of governments is a crucial factor for understanding the varying dynamics of politicisation in regional integration, as governments can raise or lower domestic audience costs by strategically interacting with their parliament or media.

Bipyridine Ruthenium(II) Complexes with Halogen-Substituted Salicylates: Synthesis, Crystal Structure, and Biological Activity.

Ruthenium complexes currently represent a perspective subject of investigation in terms of potential anticancer therapeutics. Eight novel octahedral ruthenium(II) complexes are the subject of this article. Complexes contain 2,2'-bipyridine molecules and salicylates as ligands, differing in position and type of halogen substituent.

Do porous tantalum implants help preserve bone?: evaluation of tibial bone density surrounding tantalum tibial implants in TKA.

Background: TKA with conventional metal-backed tibial implants subjects the tibial metaphysis to stress shielding, with resultant loss of bone density.

Questions/purposes: We hypothesized tibial bone mineral density in patients with porous tantalum (trabecular metal) tibial baseplates would (1) more closely parallel tibial bone mineral density in the nonoperative control limb and (2) be better maintained than in conventional historical controls.

Patients And Methods: We prospectively followed 41 patients (35 men, six women) 60 years of age or younger undergoing TKA with uncemented trabecular metal tibial components.

The central dusty torus in the active nucleus of NGC 1068.

Active galactic nuclei (AGNs) display many energetic phenomena--broad emission lines, X-rays, relativistic jets, radio lobes--originating from matter falling onto a supermassive black hole. It is widely accepted that orientation effects play a major role in explaining the observational appearance of AGNs. Seen from certain directions, circum-nuclear dust clouds would block our view of the central powerhouse.