Recent wildfire smoke was so devastating, scientists used it to study nuclear winter

popsci.com – Imagine the massive, dark, powerful clouds that come with a thunderstorm—then add fire and smoke.

Source: Pengfei Yu, et al. Black carbon lofts wildfire smoke high into the stratosphere to form a persistent plume. Science, 2019.

NASA Releases First Science Results from Parker Solar Probe Mission

sci-news.com – The four instruments of NASA’s Parker Solar Probe, a robotic spacecraft designed to explore the Sun’s atmosphere, have returned unprecedented science data from near our star, culminating in new discoveries published this week in a series of four papers in the journal Nature.

Source: J. C. Kasper, et al. Alfvénic velocity spikes and rotational flows in the near-Sun solar wind. Nature, 2019.

NASA Releases First Science Results from Parker Solar Probe Mission

sci-news.com – The four instruments of NASA’s Parker Solar Probe, a robotic spacecraft designed to explore the Sun’s atmosphere, have returned unprecedented science data from near our star, culminating in new discoveries published this week in a series of four papers in the journal Nature.

Source: D. J. McComas, et al. Probing the energetic particle environment near the Sun. Nature, 2019.

NASA Releases First Science Results from Parker Solar Probe Mission

sci-news.com – The four instruments of NASA’s Parker Solar Probe, a robotic spacecraft designed to explore the Sun’s atmosphere, have returned unprecedented science data from near our star, culminating in new discoveries published this week in a series of four papers in the journal Nature.

Source: S. D. Bale, et al. Highly structured slow solar wind emerging from an equatorial coronal hole. Nature, 2019.

Astronomers surprised to find a star similar to our sun devouring the atmosphere of a giant planet

cbc.ca – About 1,500 light years away lies the remnant of a star that was once like our own, and it's providing astronomers with clues as to what might happen in our solar system after the sun dies.

Source: Boris T. Gänsicke, et al. Accretion of a giant planet onto a white dwarf star. Nature, 2019.

How an Icy Moon of Saturn Got Its Stripes

nytimes.com – Scientists have developed an explanation for one of the most striking features of Enceladus, an ocean world that has the right ingredients for life.

Source: Douglas J. Hemingway, Maxwell L. Rudolph, Michael Manga. Cascading parallel fractures on Enceladus. Nature Astronomy, 2019.

New Mammal Fossil May Show How Ear Bones Evolved from Jaw Bones

the-scientist.com – An ancient animal’s hammer, anvil, and stirrup bones are at the base of the jaw but completely detached from it.

Source: Fangyuan Mao, et al. Integrated hearing and chewing modules decoupled in a Cretaceous stem therian mammal. Science, 2019.

NASA Releases First Science Results from Parker Solar Probe Mission

sci-news.com – The four instruments of NASA’s Parker Solar Probe, a robotic spacecraft designed to explore the Sun’s atmosphere, have returned unprecedented science data from near our star, culminating in new discoveries published this week in a series of four papers in the journal Nature.

Source: R. A. Howard, et al. Near-Sun observations of an F-corona decrease and K-corona fine structure. Nature, 2019.

Artificial Neurons Fire in Life-Like Patterns

the-scientist.com – The silicon chips receive and send electrical signals, recreating activity from neurons in the rat brain that play a role in breathing and thinking.

Source: Kamal Abu-Hassan, et al. Optimal solid state neurons. Nature Communications, 2019.

Single-celled organism can ‘change its mind’ despite lacking a nervous system

zmescience.com – It took more than 100 years to confirm that single-celled organisms are capable of hierarchical decision making.

Source: Joseph P. Dexter, Sudhakaran Prabakaran, Jeremy Gunawardena. A Complex Hierarchy of Avoidance Behaviors in a Single-Cell Eukaryote. Current Biology, 2019.

Glacial meltwater helped early animals survive Snowball Earth

upi.com – New scientific findings suggest glacial meltwater helped eukaryotes survive Earth's most extreme ice age, so-called Snowball Earth.

Source: Maxwell A. Lechte, et al. Subglacial meltwater supported aerobic marine habitats during Snowball Earth. Proceedings of the National Academy of Sciences, 2019.