How does stress make you sick? Where does dark matter come from? Find out in ScienceSeeker's picks of the best posts for the week of Oct 19 - 25 2020 #SciSeekPicks #SciComm.

In this week's curated selection of the best science news sources from around the world, find how light pollution can damage our environment, and explore exactly how unlucky the dinosaurs were. ScienceSeeker editors' favourite posts within their respective areas of interest and expertise also cover many other important and exciting topics. Why not have a read, inform yourself, and indulge your scientific curiosity?

• How does stress make you sick?  by Michael Limmena for Science Borealis.

In modern times, where trivial daily stresses are common, the fight-or-flight response causes our bodies to overreact to stressors.
Credit: Sari Montag via Flickr (CC-BY-SA)

• An explanation for the low quality antibodies produced during serious SARS-CoV-2 infection by Vincent Racaniello for Virology Blog.
• Podcast: Dinosaur Asteroid Hit Worst-Case Place by Julia Rosen at Scientific American.
• A dwarf galaxy may have collided with the Milky Way three billion years ago by Rob Lea for ZME Science.
• Physicists propose new theory on origin of dark matter by SciNews.
• Startle displays in praying mantises: Using beauty and terror to deter predators by Miklos Bolza for Lab Down Under.
• Epigenetics: How do we feed our genes? by Ashley Aguillard for NutriBites.
• Rodent fathers suggest dopamine is key to an neuroscience of parenting by Laura Haetzel for Massive Science.
• Stem cells in Parkinson’s disease: progress and challenges by Niamh McNamara for EUSci.
• Mental health hacks explained: The benefits of outside by Dr. Dean Burnett for The Cosmic Shambles Network.
• Iberian lynx eat more species of prey than previously thought by Luis Manuel Fernandez Porras for Massive Science.
• A captive breeding program taught Puerto Rican parrots to "speak" differently by Enzo M. R. Reyes for Massive Science.
• Monstrous moles: Happy Mole Day! by Kat Day at The Chronicle Flask.
• Even a car can’t kill this beetle. Here’s why by Elizabeth Pennisi for Science.
• How can climate be predictable if weather is chaotic? by Sabine Hossenfelder at Backreaction.
• Light pollution affects more things than you think by Chloé at Pineapples and Whales.

Light pollution has profound effects on how individuals, populations, species, and ecosystems function.
Credit: Pineapples and Whales

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Check back next week for more great picks!