Scientists Can’t Agree on What’s Making Pistachio Trees Sick
Scientists Can’t Agree on What’s Making Pistachio Trees Sick
A new study ignites debate on the cause of pistachio bushy top syndrome, a disease that has crippled farms in California, Arizona, and New Mexico.
Scientists Can’t Agree on What’s Making Pistachio Trees Sick
Scientists Can’t Agree on What’s Making Pistachio Trees Sick

A new study ignites debate on the cause of pistachio bushy top syndrome, a disease that has crippled farms in California, Arizona, and New Mexico.

A new study ignites debate on the cause of pistachio bushy top syndrome, a disease that has crippled farms in California, Arizona, and New Mexico.

biological anthropology, evolution, microbiology
Largest King Penguin Colony Population Has Declined Drastically
Largest King Penguin Colony Population Has Declined Drastically
Sukanya Charuchandra | Jul 31, 2018
Compared to 500,000 breeding pairs in the 1980s, only 60,000 penguin pairs now remain.
Image of the Day: Hanging Around
Image of the Day: Hanging Around
Sukanya Charuchandra | Jul 27, 2018
Hurricanes drive evolution in anole lizards, finds a new study.
Mars Has a Lake of Liquid Water: Study
Mars Has a Lake of Liquid Water: Study
Ashley Yeager | Jul 25, 2018
Radar data indicate that the Red Planet’s southern polar ice sheets cover a 20-kilometer-wide body of water.
Oldest Evidence of Terrestrial Life on a Young Earth
Oldest Evidence of Terrestrial Life on a Young Earth
Anna Azvolinsky | Jul 23, 2018
Microbes were living on land as early as 3.22 billion years ago, fossilized rocks show, 500 million years earlier than previously documented.
Two Fungal Species—One Pathogenic, One Benign—Are Actually the Same
Two Fungal Species—One Pathogenic, One Benign—Are Actually the Same
Sukanya Charuchandra | Jul 19, 2018
Under one name the species is used in food fermentation, and under the other it is a drug-resistant cause of yeast infections.
CRISPR Is Overcome When Viruses Gang Up on Bacteria
CRISPR Is Overcome When Viruses Gang Up on Bacteria
Kerry Grens | Jul 19, 2018
Phages that die during bacterial invasion help other viruses defeat the microbes’ immune responses.
Horizontal Gene Transfer in Bdelloid Rotifers Questioned
Horizontal Gene Transfer in Bdelloid Rotifers Questioned
Abby Olena | Jul 12, 2018
A re-analysis of sequencing data from a 2016 study of these tiny metazoans reveals possible contamination, rather than an exchange of DNA among species.
Hominins Left Africa for Asia Much Earlier Than Thought
Hominins Left Africa for Asia Much Earlier Than Thought
Shawna Williams | Jul 11, 2018
The dating of stone tools in China puts members of the Homo genus there more than 2 million years ago.
Image of the Day: Going Viral
Image of the Day: Going Viral
Sukanya Charuchandra | Jul 11, 2018
Scientists have found a previously unknown virus in Myanmar.