This ethical discourse specifically deals with dilemmas encountered within zoological institutions, namely for the concept of natural living, and a new term—wilding.It is agreed by some that zoos are not ethically wrong in principle, but there are currently some contradictions and ethical concerns for zoos in practice.Natural living is a comp
Soft-tissue sarcomas (STS) are a group of rare, heterogeneous, and aggressive tumors, with high metastatic risk and relatively few efficient systemic therapies.In the quest for new treatments, the immune system represents an attractive therapeutic target.Recently, PD1/PDL1 inhibitors showed very promising results in patients with solid tumors.PDL1
This research proposes the design of a mooring system that allows the floating platform to stably dive deep enough to prevent damage induced by typhoon waves.The design principle of the mechanism is that the submarined floating platform with negative buoyancy is connected to a pontoon with positive buoyancy.The diving depth of the floating platform
In the Kingdom of Saudi Arabia (KSA), millions of Muslims come to perform Pilgrimage every year.Around one million ton of municipal solid waste (MSW) is generated in Makkah city annually.The collected MSW is disposed of in the landfills without any treatment or energy recovery.As a result, greenhouse gas (GHG) emissions and contamination of the soi