The discovery of stone tools dating to at least 1.04 million years ago at the Early Pleistocene site of Calio on the Indonesian island of Sulawesi indicates that early hominins made a major deep-sea crossing to reach the island much earlier than previously established.

DNA segments that are naturally excised during immune-cell development can replicate, drive damage at various genomic sites and lead to cancer recurrence.

A non-toxic, robust and solution-processable copper–iodide-based hybrid semiconductor that emits deep-blue light with nearly 100% emission efficiency has been designed and used as the sole light-generating layer to make light-emitting diodes (LEDs). Sandwiching this layer between two hydrogen-bonded capping layers greatly enhances the efficiency and operational lifetime of the LEDs.

A fossilized flipper of a large ichthyosaur called Temnodontosaurus reveals flow-control features likely to minimize self-generated noise during swimming in low-light underwater habitats. Thus, this Jurassic megapredator probably relied on stealth while hunting under the cover of darkness using powerful night vision, like owls do today.