Understanding how people perceive and interpret uncertainty from large language models (LLMs) is crucial, as users often overestimate LLM accuracy, especially with default explanations. Steyvers et al. show that aligning LLM explanations with their internal confidence improves user perception.

The magnitude 7.9 Bonin Islands earthquake sequence in May 2015, which ruptured deep within the earth near the base of the upper mantle, did not include an aftershock that extended to record depths into the lower mantle, according to a study appearing in The Seismic Record.

When Hao Zhang of the University of Southern California and colleagues re-examined the aftershock sequence of the earthquake, they did not find evidence for a 751-kilometer-deep aftershock as reported by previous researchers. This aftershock has been called the deepest earthquake ever recorded.

Instead, their study found a distribution of aftershocks that is compatible with a 12-kilometer sliver of a mantle mineral called olivine that could shed light on how deep earthquakes can occur.

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Cisco addresses critical CVE-2025–20156 with 9.9 CVSS, fixing admin privilege risk in Meeting Management.

ISRO dispatches Crew Module for Gaganyaan mission, showcasing advancements in liquid propulsion system technology.

Synaptic plasticity refers to the adaptive changes that occur at the synapse, resulting in the strengthening or weakening of synaptic connections. It is a fundamental mechanism involved in learning and memory, and it is influenced by factors such as neurotransmitter release and activation of neighboring structures.

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