… Indeed, in the majority of materials examined after failures above about 1000C, the aluminum
concentration, although depleted somewhat, has not fallen to the critical value (7). Similarly …

… Indeed, thermal conductivities ranging from ∼1.1 to ∼1.7 W/mK at temperatures between
700 and 1200 C have been reported for zirconates of Gd, Eu, Sm, Nd and La [82], [83], [88], [89…

Background Stroke thrombolysis with alteplase is currently recommended 0–4·5 h after
stroke onset. We aimed to determine whether perfusion imaging can identify patients with …

… between Claude Lévi-Strauss … in Lévi-Strauss's candid appraisals of some of the best-known
figures of the Parisian intelligentsia: surrealists André Breton and Max Ernst, with whom Lévi…

Background Trials of endovascular therapy for ischemic stroke have produced variable
results. We conducted this study to test whether more advanced imaging selection, recently …

Background Whether intravenous tissue plasminogen activator (alteplase) is effective beyond
3 h after onset of acute ischaemic stroke is unclear. We aimed to test whether alteplase …

Background The time to initiate intravenous thrombolysis for acute ischemic stroke is generally
limited to within 4.5 hours after the onset of symptoms. Some trials have suggested that …

The extent to which pre-Columbian societies altered Amazonian landscapes is hotly debated.
We performed a basin-wide analysis of pre-Columbian impacts on Amazonian forests by …

Background Intravenous alteplase is the only approved treatment for acute ischemic stroke.
Tenecteplase, a genetically engineered mutant tissue plasminogen activator, is an …

Background Intravenous infusion of alteplase is used for thrombolysis before endovascular
thrombectomy for ischemic stroke. Tenecteplase, which is more fibrin-specific and has longer …