Kettinki – Sivu 82

2023-06-14 @ 19.14.46 ∈ In English

How seeing corpses reduces the lifespan of flies

Researchers led by Christi Gendron at the University of Michigan have found the link between death perception and reduced aging in flies. [A] specific group of brain cells in the fly, called R2 and R4 neurons, are activated when flies encounter other dead flies, and that this increased activity leads to more rapid aging.

2023-06-12 @ 11.11.40 ∈ In English

Cause and Cure Discovered for Common Type of High Blood Pressure

The cause is a tiny benign nodule, present in one-in-twenty people with hypertension. The nodule produces a hormone, aldosterone, that controls how much salt is in the body. […] The researchers also discovered that this form of hypertension could be cured by unilateral adrenalectomy – removing one of the two adrenal glands.

2023-06-12 @ 11.07.54 ∈ Suomeksi

Viikon eläin | Pieksämäellä kaarteli korppikotka – ”Varmaan se huomaa tehneensä virheen”

Hanhikorppikotka on Suomen oloissa harvinainen raadonsyöjä.

2023-06-11 @ 17.33.29 ∈ Suomeksi

Sami Mensonen kohtasi jättivalaan uistelureissullaan avomerellä: ”Yhtäkkiä keulan eteen tuli jumalaton vesipyörre.”

Sea Life-eläintarhan entinen intendentti arvioi kuvien perusteella kyseessä olevan ryhävalas.

2023-06-11 @ 14.05.01 ∈ Suomeksi

HS Ympäristö | Tuulivoimala voi olla kotkalle kohtalokas – jo kymmeniä kuolleita lintuja löydetty

Tuulivoimalan silpomaksi on Suomessa päätynyt tiettävästi 48 merikotkaa, kertoo Hannu Tikkanen Metsähallituksesta. […] Tiettävästi yhtään maakotkaa ei ole vielä Suomessa kuollut tuulivoimalatörmäyksessä, sillä nykyisiä voimaloita ei juuri ole niiden reviireillä.

2023-06-10 @ 19.37.00 ∈ In English

Hidden carbon: Fungi and their ‘necromass’ absorb one-third of the carbon emitted by burning fossil fuels every year

[New] research shows [mycorrhizal fungi] may quietly be playing a bigger role in storing carbon than we thought. [Researchers] estimate the world's plants are transferring a staggering 3.58 billion tonnes of carbon per year to this underground network.

2023-06-10 @ 19.32.15 ∈ In English

Invasive oak processionary moth caterpillars cause concern for England’s trees

An insect that can be hazardous to human health is spreading across southeast England. […] "As the oak processionary moth is a relatively recent arrival to the UK, any potential predators haven't had much time to familiarize themselves with it. This means the caterpillars are able to spread faster than they would otherwise."

2023-06-09 @ 17.49.03 ∈ In English

Wolves in Minnesota switch to fish as a main source of food in the spring

A team of wildlife specialists from the University of Minnesota, the University of Manitoba and Voyageurs National Park has found […] that wolves do, in fact, catch and eat fish, almost exclusively in the spring. This was because deer are a less reliable food source due to reductions in population each year over the hunting season.

2023-06-09 @ 15.29.20 ∈ Suomeksi

Arkeologia | Kuusamolaisesta mökkirannasta löytyi kivikautinen hirvenpääkirves

Museoviraston mukaan löydös on yksi huomattavimmista esinelöydöistä tällä vuosituhannella. Se tulee yleisön nähtäväksi Hämeenlinnaan kesäkuussa.

2023-06-09 @ 14.14.22 ∈ In English

Social media and duct tape are helping people make DIY air purifiers that filter out wildfire smoke

Public health experts say Corsi-Rosenthal purifiers are highly effective at removing particles from the air. [Their] clean air delivery rate is relatively high and can be used to purify air against not only smoke, but pollen and viruses.