NASA's IceBridge mission contributes to new map of Antarctica

(Phys.org) —A new dataset called Bedmap2 gives a clearer picture of Antarctica from the ice surface down to the bedrock below. Bedmap2 is a significant improvement on the previous collection of Antarctic data—known as ...

Studying water quality with satellites and public data

Access to abundant, clean, water for drinking, recreation and the environment is one of the 21st century's most pressing issues. Directly monitoring threats to the quality of fresh water is critically important, but because ...

NASA's Lucy spacecraft ready for first asteroid encounter

NASA's Lucy spacecraft is on track for its first asteroid encounter on Nov. 1. Lucy's optical navigation team has confirmed that the latest trajectory correction maneuver on Sept 29 accurately set the spacecraft on course ...

Do parasites upset food web theory?

Parasites comprise a large proportion of the diversity of species in every ecosystem. Despite this, they are rarely included in analyses or models of food webs. If parasites play different roles from other predators and prey, ...

Positive words: the glue to social interaction

(Phys.org) -- Scientists at ETH Zurich have studied the use of language, finding that words with a positive emotional content are more frequently used in written communication. This result supports the theory that social ...

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