Tech News Daily

Friday, September 15, 2023

2 grizzlies follow hikers down trail for 20 minutes in Banff National Park

Two large grizzly bears followed 13 hikers down a trail in Banff National Park for 20 minutes — with one even making a few quick runs at the group.

How oceans could be used for carbon capture on a big scale

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In this week's issue of our environment newsletter, we look at the carbon capture potential of the world's oceans and what effect beavers are having in the Arctic (spoiler: it's not good).

Have the aliens arrived? NASA is trying to find out

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After a year-long study into unexplained sightings, a NASA-appointed panel is talking about what it is needed to better identify them from a scientific point of view.

Oh my pod! Orcas moving en masse near N.L. astonish scientist

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Fisheries and Oceans Canada whale researchers recently spotted one of the largest pods of orca whales ever reported off the coast of Newfoundland and Labrador.

Efforts underway to save salmon trapped in B.C. lake due to drought

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More than 80 per cent of B.C.'s water basins are experiencing level 4 or 5 drought conditions, with salmon in many parts of the province struggling to make it to their spawning grounds.

Could blocking the sun slow down climate change?

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Scientists say geoengineering, or doing things like intentionally increasing Earth’s reflectivity or blocking the sun, is a “really big deal” in slowing down climate change. Here are the ideas they are proposing.

#TheMoment a mysterious golden orb baffled deep-sea scientists

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A mysterious golden orb is baffling researchers. Discovered in the Gulf of Alaska, over 3,000 metres below the surface — the orb has not yet been identified beyond the fact that it is, indeed, biological in origin.

New comet makes historically close approach to Earth today, but spotting it will take some luck

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$Comet Nishimura (C/2023 P1), at left, captured just after rising in the pre-dawn sky on September 10, 2023 with the sky beginning to brighten with morning twilight colours. The comet was only about 2º above the horizon at this time. The comet was about 5° north of the bright star Algieba, at right, aka Gamma Leonis. The comet sports a faint ion tail, with the comet seemingly pointed toward the sunrise point; it was moving down and closer to the Sun at this time. The comet was barely visible in binoculars as a fuzzy star and not at all with the unaided eye. This is a stack of 6 x 30-second exposures, all tracked, with the SharpStar 61mm refractor at f/4.4 and filter modified Canon R at ISO 3200, blended with a single but still tracked image for the ground to minimize their blurring. Differential refraction from the field being so close to the horizon creates some star trailing at top. All on the AstroPhysics 600E mount. Taken from home on a very clear morning with the waning crescent Moon in the sky. An application of Nik Color EFX Detail Extractor helped bring out the tail.$

Comet Nishimura (C/2023 P1) was discovered in August and is now whizzing by Earth, but finding it in the sky will be a challenge.

B.C. drought brings increased flood risks, far-reaching damage, experts warn

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As severe drought conditions have helped usher in British Columbia's most devastating wildfire season on record, experts and elected officials are warning of increased flooding risks and lingering damage even after wetter weather returns.

Seismologist explains what made Morocco’s earthquake so deadly

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A rare and powerful earthquake toppled buildings and killed at least 2,000 people in Morocco. Seismology and geophysics expert John Cassidy explains what made this particular quake so destructive and deadly.