Abstract: Techniques for managing permissions to cloud-based resources with session-specific attributes are described. A first request to create a first session to permit access to resources of a provider network is received under an assumed role. The first request is permitted based on an evaluation of a rule associated with the role. Session data including a user-specified attribute included with the first request is generated. A second request to perform an action with a resource hosted by the provider network is received. The user-specified attribute is obtained from the session data based at least in part on the second request. The second request is permitted based on an evaluation of another rule with the user-specified attribute.

Abstract: A security token service receives a request for a token. The request indicates a set of access control policies that define a set of permissions for access to a resource. The security token service generates the token to comprise a set of identifiers of the set of access control policies. The security token service provides the token in response to the request to enable the token to be used to access the resource in accordance with the set of access control policies.

Abstract: Provided herein, in some embodiments, are methods and composition for the production of nucleoside triphosphates and ribonucleic acids.

Abstract: Systems and methods for manage throttling limits in a distributed system are disclosed herein, according to some embodiments. A system includes a plurality of server nodes to perform a service. The system includes one or more processors a memory. The memory stores instructions that, when executed by the one or more processors, cause the one or more processors to perform operations. The operations include receiving a request for the service. The operations also include calculating whether accepting the request would exceed a service throttling limit for the plurality of server nodes for the service and whether accepting the request would exceed a node throttling limit for a server node of the plurality of server nodes. The operations also include accepting the request for processing at the server node responsive to calculating that the service throttling limit and the node throttling limit would not be exceeded.

Abstract: Provided herein, in some embodiments, are methods and composition for the production of nucleoside triphosphates and ribonucleic acids.

Abstract: The invention relates to an oscillating foil propulsion system comprising a movable foil, a pitch mechanism connected to the movable foil and configured to control a pitch motion of the foil, a heave mechanism connected to the movable foil and configured to control a heave motion of the foil, and wherein at least one of the pitch and heave mechanisms is configured to adjust an amplitude of the respective motion of the movable foil. The invention further relates to a method for controlling a motion of an oscillating movable foil of a marine propulsion system.

Abstract: Provided herein are microbes metabolically engineered to produce 1-propanol from a 1,2-propanediol intermediate. The microbes may include one or two pathways for production of 1-propanol from a 1,2-propanediol intermediate. Also provided herein are methods for using the microbes for the production of 1-propanol.

Abstract: A method and system for facilitating automated navigation in a healthcare facility. The navigation system comprises: a healthcare information system configured to have access to at least patient information, healthcare resource information and healthcare facility information; and an identification device provided to a patient in the healthcare facility, configured to communicate at least the current location of the patient to the hospital information system. The identification device and the healthcare information system interact with each other for generating and providing at least navigation information to the patient.

Abstract: A method and system for facilitating automated navigation in a healthcare facility. The navigation system comprises: a healthcare information system configured to have access to at least patient information, healthcare resource information and healthcare facility information; and an identification device provided to a patient in the healthcare facility, configured to communicate at least the current location of the patient to the hospital information system. The identification device and the healthcare information system interact with each other for generating and providing at least navigation information to the patient.