Comet C/2017K2(PANSTARRS): Dynamically Old or New?
نویسندگان
چکیده
منابع مشابه
I-23: Freezing Oocytes: New or Old Ethical Issues?
Background: This paper considers whether the development of oocyte freezing raises any new or distinctive ethical issues. It will examine the ethical issues raised by this technique: the ’social’ use of egg freezing and how that might be defined; the use of egg freezing for cancer patients; and limitations and benefits of the technique. Materials and Methods: A consideration of the literature a...
متن کاملOld dogs: new tricks, old tricks, or no tricks.
tively referred to as “old dogs.” In some instances, the designation may be a term of endearment: in others, a term of derision. Virtually every chairperson must face the dilemma of dealing with these senior staff members. His or her decision will be based primarily on how productive the senior radiologist is. I have had the unique opportunity to practice radiology over the past 27 years in bot...
متن کاملTheoretical Omniscience: Old Evidence or New Theory
I will show that, in the Problem of Old Evidence, unless a rational agent has a property I will call theoretical omniscience (a stronger version of logical omniscience), a problem with non-commutativity of the learning theories follows. Therefore, scientists, when trying to behave as close to rationality as possible, should behave in a way close to the counterfactual strategy. The concept of th...
متن کاملFrom salvage to recycling – new agendas or same old rubbish?
Recent years have seen increased attention paid by geographers to the phenomenon of household waste recycling. Much of this attention by geographers has focused on contemporary recycling, especially contemporary policy and behaviour. This article takes a wider temporal perspective and considers the antecedent ‘National Salvage Campaign’ of the Second World War. It considers the conceptual lesso...
متن کاملPublic health and colonialism: a new or old problem?
Epidemiology is not alone as a discipline in facing awesome challenges. It would also be wrong to ascribe to epidemiology any particular failures; many disciplines have shared diYcult times as the world around them is restructured. What is at stake for the entire spectrum of public health disciplines—from “hard” medicine to “soft” policy—is nothing more than a need to re-think their own role in...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Research Notes of the AAS
سال: 2018
ISSN: 2515-5172
DOI: 10.3847/2515-5172/aabf8f