By Heidi Harley

science / science - 5 years ago

Escaping death and rebirth on Varanasi's sacred riverbanks

Boats loaded with wood arrive almost constantly at the ghats of Varanasi for around 200 cremations per day on the banks of India's holy Ganges river. To reduce the volume used, as well as air and water pollution, authorities have tried to push the use of alternative burning materials such as cow-du...

science / science - 5 years ago

NASA counts down to landing of Martian quake-sensor, InSight

NASA is counting down to a nail-biting touchdown Monday of the $993 million Mars InSight, the first spacecraft to listen for quakes and study the inner workings of another rocky planet. No one is on board the spacecraft, which launched nearly seven months ago and has traveled some 300 million miles...

science / science - 5 years ago

NASA’s OSIRIS-REx Probe Just Hit Another Milestone

NASA’s first asteroid sampling mission is closing in on its target. With just 11 days left until the big rendezvous, the OSIRIS-REx spacecraft is inching its way toward asteroid Bennu and has just 20 million miles to go before reaching the space rock. Launched on September 8, 2016, the OSIRIS-REx...

science / science - 5 years ago

Museum of Natural History invites the public to know Mars

Mexico, Nov. 23 (Notimex) .- The MMinistry of the Environment (Sedema, for its acronym in Spanish) of Mexico City opened two temporary exhibitions at the Natural History Museum: "A lo Marciano, un vistazo al planeta rojo", inspired by the Mars series, by National Geographic, and "Trac...

science / science - 5 years ago

Scientists weigh up stratospheric sunlight barrier to curb warming

Some researchers say the geo-engineering technique known as stratospheric aerosol injection (SAI) could limit rising temperatures that are causing climate change. Total costs to launch a hypothetical SAI effort 15 years from now would be $3.5 billion, scientists at Harvard University said in a repo...

science / science - 5 years ago

Here’s How Three Astronauts Are Spending Thanksgiving In Space

While everyone is gathered around the table for a traditional — and terrestrial — Thanksgiving dinner, three people in particular are celebrating “turkey day” in space. This year, a German, a Russian, and an American are spending Thanksgiving some 260 miles above our planet, aboard the Internationa...

science / science - 5 years ago

MIT’s magic plane flies without fuel or moving parts

Air travel is the safest, speediest way to get from one place to another, but you know what would make it even better? If planes didn't have to worry about pesky engines and messy fuel. I mean, if a plane could just go we'd all be better off, right? Well leave it to MIT to come up with a sol...